aciculata, Murchisonia aciculata Hall, 1860 † (FOSSIL)
acrea, Murchisonia acrea Billings, 1865 † - syn of: Turritoma acrea (Billings, 1865) † (FOSSIL)
aculeata, Hormotoma aculeata Billings, 1866 † (FOSSIL)
acuminata, Hormotoma acuminata Parks, 1915 † (FOSSIL)
acuta, Cheilotoma acuta (Münster, 1841) † (FOSSIL)
acutocarinata, Cheilotomona acutocarinata Tong & Erwin, 2001 † (FOSSIL)
acutula, Aclisina acutula (Dawson, 1868) † (FOSSIL)
agilis, Hormotoma agilis Billings, 1865 † (FOSSIL)
akidota, Murchisonia akidota Linsley, 1968 † (FOSSIL)
albanica, Ostioma albanica Tassell, 1980 † (FOSSIL)
alceste, Coelocaulus alceste Perner, 1907 † (FOSSIL)
allevata, Murchisonia allevata Perner, 1907 † (FOSSIL)
altadema, Altadema altadema Mazaev, 2003 † (FOSSIL)
altesinuata, Hormotoma altesinuata Koken & Perner, 1925 † (FOSSIL)
altevittata, Morania altevittata (Spitz, 1907) † (FOSSIL)
ambigua, Vebericochlis ambigua Licharev, 1967 † - syn of: Vebericochlis maclayi Licharev, 1967 † (FOSSIL)
amii, Hormotoma amii McLearn, 1924 † (FOSSIL)
anderdoniae, Murchisonia anderdoniae Linsley, 1968 † (FOSSIL)
anglica, Murchisonia anglica D'Orbigny, 1850 † (FOSSIL)
angulata, Murchisonia angulata (von Schlotheim, 1820) † (FOSSIL)
angulata, Crenulazona angulata Linsley, 1968 † (FOSSIL)
angulata, Murchisonia angulata Phillips, 1836 † - syn of: Donaldospira pertusa (de Koninck, 1883) † (FOSSIL)
angulata marginata, Murchisonia angulata marginata Lotz, 1900 † (FOSSIL)
angulocincta, Murchisonia angulocincta Salter, 1859 † - syn of: Donaldiella cicelia (Billings, 1865) † (FOSSIL)
angustatus, Hormotoma gracilis angustatus Hall (FOSSIL)
angustetaeniata, Murchisonia angustetaeniata Paeckelmann, 1922 † (FOSSIL)
anna, Hormotoma anna Billings, 1859 † (FOSSIL)
antigonishensis, Hormotoma antigonishensis Peel, 1977 † (FOSSIL)
antiqua, Hormotoma antiqua Peel, 1977 † (FOSSIL)
apate, Catazone apate Perner, 1907 † (FOSSIL)
archiaci, Murchisonia archiaci Paeckelmann, 1922 † (FOSSIL)
arctica, Murchisonia arctica (Tolmachoff, 1930) † (FOSSIL)
arenaria, Plethospira arenaria (Billings, 1859) † (FOSSIL)
argolis, Catazone argolis Perner, 1907 † (FOSSIL)
arguta, Vebericochlis arguta Licharev, 1975 † (FOSSIL)
arisaigensis, Hormotoma arisaigensis Hall, 1860 † (FOSSIL)
armata, Goniospira armata (Münster, 1841) † (FOSSIL)
artemesia, Hormotoma artemesia Billings, 1865 † (FOSSIL)
articulata, Hormotoma articulata (Murchison, 1839) † (FOSSIL)
attava, Diplozone attava Perner, 1907 † (FOSSIL)
attenuata, Morania attenuata (Lindström, 1884) † (FOSSIL)
auctor, Murchisonia auctor Mawson & al., 2002 † (FOSSIL)
augustina, Murchisonia augustina Billings, 1865 † - syn of: Eroicaspira simulatrix (Billings, 1865) † (FOSSIL)
avia, Vladanella avia Horný, 1992 † (FOSSIL)
avisii, Cheilotomona avisii (Böhm, 1895) † (FOSSIL)
bachelieri, Murchisonia bachelieri Rouault, 1851 † (FOSSIL)
barnetti, Aclisina barnetti Kindle, 1900 † - syn of: Donaldina barnetti (Kindle, 1900) † (FOSSIL)
basalestriata, Murchisonia basalestriata Heidelberger, 2001 † (FOSSIL)
bassensis, Murchisonia bassensis Tassell, 1978 † (FOSSIL)
bauerae, Michelia bauerae Cook, 1994 † - syn of: Vetotuba bauerae (Cook, 1994) † (FOSSIL)
bella, Bellazona bella (Walcott, 1884) † (FOSSIL)
bellicincta, Hormotoma bellicincta Hall, 1847 † - syn of: Eroicaspira bellicincta (Hall, 1847) † (FOSSIL)
bellilineata, Aclisina bellilineata Miller, 1891 † - syn of: Donaldina bellilineata (Miller, 1891) † (FOSSIL)
beneventa, Aclisina beneventa Dietze, 1911 † (FOSSIL)
beraultensis, Diplozone beraultensis (Barrande, 1907) † (FOSSIL)
biarmica, Murchisonia biarmica Kutorga, 1842 † (FOSSIL)
bicincta, Cyrtostropha bicincta (M'Coy, 1844) † (FOSSIL)
bicoronata, Murchisonia bicoronata Paeckelmann, 1922 † - syn of: Ulungaratoconcha bicoronata (Paeckelmann, 1922) † (FOSSIL)
bigranulosa, Wuxuanella bigranulosa d'Archiac & de Verneuil, 1842 † - syn of: Ulungaratoconcha bigranulosa (d'Archiac & de Verneuil, 1842) † (FOSSIL)
bilineata, Murchisonia bilineata (Dechen, 1832) † (FOSSIL)
bilineata, Hormotoma bilineata (Flower, 1968) † (FOSSIL)
bilineata, Plethospira bilineata Flower, 1968 † - syn of: Hormotoma bilineata (Flower, 1968) † (FOSSIL)
bipunctata, Cheilotoma bipunctata (Münster, 1841) † (FOSSIL)
bistriata, Hormotoma bistriata Clarke & Swartz, 1913 † (FOSSIL)
bisulcata, Aclisina bisulcata Chronic, 1952 † (FOSSIL)
bivittata, Coelidium bivittata Hall, 1852 † - syn of: Ptychocaulus bivittata (Hall, 1852) † (FOSSIL)
bivittata, Murchisonia bivittata Hall, 1852 † - syn of: Ptychocaulus bivittata (Hall, 1852) † (FOSSIL)
bivittata, Coelocaeulus bivittata Hall, 1852 † - syn of: Ptychocaulus bivittata (Hall, 1852) † (FOSSIL)
bloomfieldia, Ostioma bloomfieldia Tassell, 1980 † (FOSSIL)
blumi, Cheilotomona blumi (Wissmann, 1841) † (FOSSIL)
boltoni, Morania boltoni Peel, 1975 † (FOSSIL)
boylei, Catazone boylei (Nicholson, 1872) † (FOSSIL)
breva, Aclisina breva Sayre, 1930 † (FOSSIL)
brevis, Murchisonia brevis Roemer, 1856 † (FOSSIL)
burovi, Arribazona burovi Mazaev, 2015 † (FOSSIL)
caledoniensis, Plethospira caledoniensis Longst, 1924 † (FOSSIL)
callahanensis, Murchisonia callahanensis Rohr, 1980 † - syn of: Ectomaria callahanensis (Rohr, 1980) † (FOSSIL)
callahanensis coeloconoidea, Murchisonia callahanensis coeloconoidea Rohr, 1980 † - syn of: Ectomaria callahanensis coeloconoidea (Rohr, 1980) † (FOSSIL)
calosoma, Cheilotoma calosoma (Laube, 1868) † (FOSSIL)
cambria, Murchisonia cambria Donald, 1905 † (FOSSIL)
canadensis, Cyrtostropha salteri canadensis Ulrich & Scofield (FOSSIL)
cancellata, Aclisina cancellata Cleland, 1911 † - syn of: Clathronema cancellata (Cleland, 1911) † (FOSSIL)
cancellatula, Murchisonia cancellatula Sedgwick & McCoy, 1855 † - syn of: Arjamannia cancellatula (Sedgwick & McCoy, 1855) † (FOSSIL)
cancellatus, Pitcherellus cancellatus Lamont, 1978 † (FOSSIL)
cannonensis, Plethospira cannonensis Stauffer, 1937 † (FOSSIL)
cassandra, Plethospira cassandra (Billings, 1865) † (FOSSIL)
cassina, Plethospira cassina (Whitfield, 1886) † (FOSSIL)
cassina, Hormotoma cassina (Whitfield, 1897) † (FOSSIL)
cassina, Murchisonia cassina Whitfield, 1897 † - syn of: Hormotoma cassina (Whitfield, 1897) † (FOSSIL)
cava, Cyrtostropha cava (Lindström, 1884) † (FOSSIL)
cedarensis, Cibecuia cedarensis Winters, 1956 † (FOSSIL)
centervillensis, Hormotoma centervillensis Foerste, 1923 † (FOSSIL)
cerithioides, Trypanocochlea cerithioides (Koken, 1896) † (FOSSIL)
cerithioides, Verania cerithioides Koken, 1896 † - syn of: Trypanocochlea cerithioides (Koken, 1896) † (FOSSIL)
changningensis, Catazone changningensis Xi & Yu, 1990 † (FOSSIL)
chapmani, Murchisonia chapmani Williams & Breger, 1916 † (FOSSIL)
chlupaci, Coelocaulus chlupaci Horný, 1953 † (FOSSIL)
cicela, Murchisonia cicela Billings, 1865 † (FOSSIL)
cincta, Murchisonia cincta Donald, 1895 † - syn of: Hypergonia cincta (Donald, 1895) † (FOSSIL)
cingulata, Catazone cingulata (Hisinger, 1829) † (FOSSIL)
clavata, Coelocaulus clavata Perner, 1907 † (FOSSIL)
clavicula, Hormotoma clavicula Oehlert & Oehlert, 1888 † - syn of: Barocospira clavicula (Oehlert & Oehlert, 1888) † (FOSSIL)
coarctata, Catazone coarctata Perner, 1907 † - syn of: Catazone latona Perner, 1907 † (FOSSIL)
cochleata, Murchisonia cochleata Lindström, 1884 † - syn of: Frodospira cochleata (Lindström, 1884) † (FOSSIL)
collingsworthensis, Murchisonia collingsworthensis Beede, 1907 † - syn of: Cibecuia gouldii (Beede, 1907) † (FOSSIL)
columna, Coelocaulus columna Perner, 1907 † (FOSSIL)
compacta, Michelia compacta (Hall, 1859) † (FOSSIL)
compacta, Aclisina compacta Donald, 1898 † (FOSSIL)
compacta, Mesocoelia compacta Hall, 1859 † - syn of: Michelia compacta (Hall, 1859) † (FOSSIL)
compressa, Catazone compressa (Lindström, 1884) † (FOSSIL)
concava, Murchisonia concava Spitz, 1907 † (FOSSIL)
concinnus, Hormotoma concinnus Horný, 1952 † (FOSSIL)
conditi, Aclisina conditi Geinitz, 1866 † - syn of: Royalella swallowiana (Geinitz, 1866) † (FOSSIL)
confusa, Hormotoma confusa Whitfield, 1889 † (FOSSIL)
conradi, Murchisonia conradi Hall, 1868 † (FOSSIL)
considerata, Coelocaulus considerata Perner, 1907 † - syn of: Coelocaulus cybele Perner, 1907 † (FOSSIL)
constricta, Murchisonia constricta Whiteaves, 1884 † - syn of: Turritoma constricta (Whiteaves, 1884) † (FOSSIL)
conula, Murchisonia conula Hall, 1856 † - syn of: Euconospira conula (Hall, 1856) † (FOSSIL)
convexa, Altadema convexa Kues, 2002 † (FOSSIL)
convexa, Murchisonia convexa Spitz, 1907 † (FOSSIL)
conveximarginata, Murchisonia conveximarginata Wang, 1980 † (FOSSIL)
coralli, Cyrtostropha coralli (Sowerby & Murchison, 1839) † (FOSSIL)
coronata, Murchisonia coronata d'Archiac & de Verneuil, 1842 † - syn of: Ulungaratoconcha coronata (d'Archiac & de Verneuil, 1842) † (FOSSIL)
costata, Aclisina costata Mark, 1912 † - syn of: Plocezyga costata (Mark, 1912) † (FOSSIL)
cotterensis, Hormotoma cotterensis Cullison, 1944 † (FOSSIL)
crispa, Coelocaulus crispa Perner, 1907 † - syn of: Coelocaulus cybele Perner, 1907 † (FOSSIL)
cryptocarina, Altadema cryptocarina Mazaev, 2003 † (FOSSIL)
cuneus, Catazone cuneus Perner, 1907 † (FOSSIL)
cybele, Coelocaulus cybele Perner, 1907 † (FOSSIL)
cylindrica, Michelia cylindrica Roemer, 1855 † (FOSSIL)
darwini, Michelia darwini de Koninck, 1876 † (FOSSIL)
davidsoni, Coelocaulus davidsoni (Oehlert, 1877) † (FOSSIL)
decipiens, Coelocaulus decipiens Perner, 1907 † (FOSSIL)
declivis, Morania declivis (Perner, 1903) † (FOSSIL)
declivisdiot, Murchisonia declivisdiot Perner, 1903 † (FOSSIL)
deflexa, Murchisonia deflexa Lindström, 1884 † (FOSSIL)
defrancei, Murchisonia defrancei d'Archiac & de Verneuil, 1842 † (FOSSIL)
delagei, Murchisonia delagei Munier-Chalmas, 1876 † (FOSSIL)
delicata, Mesocoelia delicata Perner, 1907 † (FOSSIL)
deludisubzona, Murchisonia deludisubzona Linsley, 1968 † (FOSSIL)
demidoffi, Catazone demidoffi (Murchison & al., 1845) † (FOSSIL)
densilineata, Murchisonia densilineata Wang, 1980 † (FOSSIL)
desiderata, Hormotoma desiderata Hall, 1859 † - syn of: Coelocaulus desideratus (Hall, 1859) † (FOSSIL)
desiderata, Murchisonia desiderata Hall, 1859 † - syn of: Coelocaulus desideratus (Hall, 1859) † (FOSSIL)
desideratus, Coelocaulus desideratus (Hall, 1859) † (FOSSIL)
devispira, Arribazona devispira Mazaev, 2003 † (FOSSIL)
difficilis, Plethospira difficilis (Whitfield, 1890) † (FOSSIL)
discrepans, Mesocoelia discrepans Perner, 1907 † (FOSSIL)
dispar, Murchisonia dispar McCoy, 1853 † - syn of: Donaldospira dispar (McCoy, 1853) † (FOSSIL)
divarica, Cibecuia divarica Batten, 1985 † (FOSSIL)
donaldiae, Murchisonia donaldiae Frech, 1906 † - syn of: Murchisonia angulata marginata Lotz, 1900 † (FOSSIL)
doquieri, Hormotoma doquieri Grabau, 1922 † (FOSSIL)
dornapica, Murchisonia dornapica Heidelberger & Amler, 2002 † (FOSSIL)
dowlingii, Murchisonia dowlingii Whiteaves, 1892 † (FOSSIL)
dubia, Hormotoma dubia Cullison, 1944 † (FOSSIL)
dubia, Hormotoma dubia Donald, 1899 † (FOSSIL)
dublinensis, Murchisonia dublinensis (Stauffer, 1909) † (FOSSIL)
dudleyensis, Murchisonia dudleyensis Donald, 1902 † (FOSSIL)
dussaulti, Murchisonia dussaulti Mansuy, 1914 † - syn of: Donaldospira dussaulti (Mansuy, 1914) † (FOSSIL)
ecclesiae, Lodanaria ecclesiae (Clarke & Swartz, 1913) † (FOSSIL)
egregium, Catazone egregium (Billings, 1874) † (FOSSIL)
eichwaldi, Murchisonia eichwaldi Koken, 1889 † (FOSSIL)
elegans, Murchisonia elegans Sollas, 1879 † (FOSSIL)
elegans, Cheilotomona elegans Yin & Yochelson, 1983 † (FOSSIL)
elegantula, Murchisonia elegantula Hall, 1856 † - syn of: Euconospira elegantula (Hall, 1856) † (FOSSIL)
emanuelensis, Plethospira emanuelensis Yu, 1993 † (FOSSIL)
enigma, Vladanella enigma Horný, 1992 † (FOSSIL)
estella, Coelocaulus estella (Billings, 1865) † (FOSSIL)
etheridgei, Gyrodoma etheridgei (Cresswell, 1893) † (FOSSIL)
eversolensis, Catazone eversolensis Stauffer, 1909 † (FOSSIL)
exilis, Hormotoma exilis d'Eichwald, 1860 † (FOSSIL)
extensa, Plethospira extensa Heller, 1954 † (FOSSIL)
extenuata, Murchisonia extenuata Hall, 1859 † (FOSSIL)
fascinata, Hormotoma fascinata Ulrich & Scofield, 1897 † (FOSSIL)
fermioni, Murchisonia fermioni Tassell, 1982 † (FOSSIL)
fiacrensis, Hormotomina fiacrensis Blodgett & al., 1999 † (FOSSIL)
filosa, Goniospira filosa Donald, 1902 † (FOSSIL)
fimbricarinata, Glyphodeta fimbricarinata (Young & Armstrong, 1874) † (FOSSIL)
floryi, Lodanaria floryi Blodgett & Johnson, 1992 † (FOSSIL)
floweri, Plethospira floweri Fortey & Peel, 1990 † (FOSSIL)
formosa, Aclisina formosa Mark, 1912 † - syn of: Donaldina stevensana (Meek & Worthen, 1866) † (FOSSIL)
fornicata, Murchisonia fornicata Spitz, 1907 † (FOSSIL)
fraterna, Catazone fraterna Perner, 1907 † - syn of: Catazone apate Perner, 1907 † (FOSSIL)
frechi, Biangularia frechi Spitz, 1907 † (FOSSIL)
fugitiva, Coelocaulus fugitiva Perner, 1903 † (FOSSIL)
funata, Hormotoma funata Billings, 1866 † (FOSSIL)
fusiformis, Murchisonia fusiformis (Phillips, 1836) † (FOSSIL)
geminocarinata, Murchisonia geminocarinata Chronic, 1952 † - syn of: Donaldospira geminocarinata (Chronic, 1952) † (FOSSIL)
gigantea, Hormotoma gigantea (Billings, 1857) † (FOSSIL)
gilbertsoni, Murchisonia gilbertsoni de Koninck, 1883 † - syn of: Donaldospira pertusa (de Koninck, 1883) † (FOSSIL)
golconda, Aclisina golconda Thein & Nitecki, 1974 † (FOSSIL)
goodhuensis, Hormotoma gracilis goodhuensis Ulrich & Scofield (FOSSIL)
gouldii, Cibecuia gouldii (Beede, 1907) † (FOSSIL)
gourvenneci, Murchisonia gourvenneci Blodgett & al., 2003 † (FOSSIL)
gracilens, Hormotoma gracilens Whitfield, 1889 † (FOSSIL)
gracilicrista, Murchisonia gracilicrista Linsley, 1968 † (FOSSIL)
gracilis, Hormotoma gracilis (Hall, 1847) † (FOSSIL)
gracilis, Murchisonia gracilis Goldfuss, 1844 † (FOSSIL)
gracilis, Devonocerithioides gracilis Heidelberger, 2001 † (FOSSIL)
gracilis angustatus, Hormotoma gracilis angustatus (Hall, 1847) † (FOSSIL)
gracilis goodhuensis, Hormotoma gracilis goodhuensis Ulrich & Scofield, 1897 † (FOSSIL)
gracilis multivolvis, Hormotoma gracilis multivolvis Ulrich & Scofield, 1897 † (FOSSIL)
gracilis sublaxa, Hormotoma gracilis sublaxa Ulrich & Scofield, 1897 † (FOSSIL)
gracillima, Goniospira gracillima Perner, 1907 † (FOSSIL)
gracillima, Hormotoma gracillima Salter, 1859 † (FOSSIL)
grayiana, Hormotoma grayiana Donald, 1899 † (FOSSIL)
gregaria, Mesocoelia gregaria Ruedemann, 1916 † (FOSSIL)
griffithi, Morania griffithi (Donald, 1899) † (FOSSIL)
groenlandica, Hormotoma groenlandica Troedsson, 1928 † - syn of: Cyrtostropha salteri tennesseensis (Ulrich & Scofield, 1897) † (FOSSIL)
gubleri, Murchisonia gubleri Delpey, 1941 † (FOSSIL)
hayasakai, Costataenia hayasakai Nützel & Nakazawa, 2012 † (FOSSIL)
hebe, Murchisonia hebe Billings, 1874 † (FOSSIL)
hercynica, Murchisonia hercynica Römer, 1843 † (FOSSIL)
hespelerensis, Murchisonia hespelerensis Ulrich & Scofield, 1897 † - syn of: Loxoplocus gothlandicus Ulrich & Scofield, 1897 † (FOSSIL)
hesperita, Arribazona hesperita Kues, 1990 † (FOSSIL)
hibernia, Wuxuanella hibernia (Heidelberger, 2001) † (FOSSIL)
holynensis, Murchisonia holynensis Frýda & Manda, 1997 † (FOSSIL)
hormotoma, Loxisonia hormotoma Batten, 1985 † (FOSSIL)
humboldtiana, Murchisonia humboldtiana de Koninck, 1844 † - syn of: Murchisonia fusiformis (Phillips, 1836) † (FOSSIL)
hyale, Hormotoma hyale Billings, 1865 † (FOSSIL)
imbricata, Murchisonia imbricata Lindström, 1884 † - syn of: Frodospira imbricata (Lindström, 1884) † (FOSSIL)
inceptor, Hormotoma inceptor Longstaff, 1909 † (FOSSIL)
iners, Mesocoelia iners Perner, 1907 † (FOSSIL)
infrequens, Murchisonia infrequens Billings, 1859 † (FOSSIL)
innocens, Diplozone innocens Perner, 1907 † (FOSSIL)
insculpta, Murchisonia insculpta Hall, 1856 † - syn of: Neilsonia insculpta (Hall, 1856) † (FOSSIL)
insignis, Hormotoma insignis d'Eichwald, 1860 † (FOSSIL)
intercedens, Murchisonia intercedens Hall, 1879 † (FOSSIL)
intermedia, Murchisonia intermedia Stauffer, 1909 † (FOSSIL)
jackjelli, Murchisonia jackjelli Cook, 1997 † (FOSSIL)
janus, Mesocoelia janus Perner, 1907 † (FOSSIL)
josepha, Murchisonia josepha Goldfuss, 1844 † - syn of: Murchisonia fusiformis (Phillips, 1836) † (FOSSIL)
kanekoi, Murchisonia kanekoi (Kase & Nishida, 1986) † (FOSSIL)
karlae, Coelocaulus karlae Rohr & al., 2003 † (FOSSIL)
kasanensis, Arribazona kasanensis (Netchaev, 1894) † (FOSSIL)
kendalensis, Murchisonia kendalensis McCoy † (FOSSIL)
kirchnera, Murchisonia kirchnera Heidelberger, 2001 † (FOSSIL)
kokeni, Murchisonia kokeni von Wittenburg, 1908 † (FOSSIL)
laphami, Murchisonia laphami Hall, 1860 † (FOSSIL)
lasallensis, Murchisonia lasallensis Worthen, 1890 † - syn of: Goniasma lasallense (Worthen, 1890) † (FOSSIL)
lata, Arribazona lata (Netchaev, 1894) † (FOSSIL)
lata, Mendelia lata Frýda, 1998 † (FOSSIL)
latifasciatum, Hormotoma latifasciatum Etheridge jr., 1878 † (FOSSIL)
latona, Catazone latona Perner, 1907 † (FOSSIL)
lawlessi, Murchisonia lawlessi Cook & Camilleri, 1997 † (FOSSIL)
lebescontei, Coelocaulus lebescontei Oehlert & Oehlert, 1888 † (FOSSIL)
leda, Murchisonia leda Hall, 1861 † (FOSSIL)
libera, Mesocoelia libera Perner, 1907 † (FOSSIL)
linearis, Coelocaulus linearis (Billings, 1859) † (FOSSIL)
linsleyi, Hormotomina linsleyi Fagerstrom, 1961 † (FOSSIL)
lira, Altadema lira Mazaev, 2003 † (FOSSIL)
lirata, Vladanella lirata (Tyler, 1965) † (FOSSIL)
liufengshanensis, Wuxuanella liufengshanensis Cook & Pan, 2004 † (FOSSIL)
lloydi, Seelya lloydi Sowerby & Murchison, 1839 † - syn of: Ulrichospira lloydii (Sowerby & Murchison, 1839) † (FOSSIL)
lochkoviensis, Murchisonia lochkoviensis Frýda & Manda, 1997 † (FOSSIL)
loganii, Cyrtostropha loganii Hall, 1852 † - syn of: Cyrtostropha macrospira (Hall, 1852) † (FOSSIL)
lohrheimi, Murchisonia lohrheimi Heidelberger, 2001 † (FOSSIL)
longispira, Coelocaulus longispira (Hall, 1852) † (FOSSIL)
longispira, Arribazona longispira Mazaev, 2015 † (FOSSIL)
longissima, Aclisina longissima Whidborne, 1896 † - syn of: Stegocoelia longissima (Whidborne, 1896) † (FOSSIL)
loxonemoides, Devonocerithioides loxonemoides (Whidborne, 1892) † (FOSSIL)
lutiensis, Hormotoma lutiensis Cullison, 1944 † (FOSSIL)
maclayi, Vebericochlis maclayi Licharev, 1967 † (FOSSIL)
macrospira, Cyrtostropha macrospira (Hall, 1852) † (FOSSIL)
macrospira, Coelidium macrospira Hall, 1852 † - syn of: Cyrtostropha macrospira (Hall, 1852) † (FOSSIL)
magnum, Cibecuia magnum Mazaev, 2002 † (FOSSIL)
maia, Hormotomina maia (Hall, 1861) † (FOSSIL)
major, Hormotoma major Hall, 1852 † - syn of: Lophospira major (Hall, 1852) † (FOSSIL)
mamillaris, Coelocaulus mamillaris Perner, 1907 † - syn of: Coelocaulus cybele Perner, 1907 † (FOSSIL)
margarita, Murchisonia margarita Whidborne, 1892 † - syn of: Turridina margarita (Whidborne, 1892) † (FOSSIL)
margaritata, Murchisonia margaritata Lotz, 1900 † (FOSSIL)
marginata, Murchisonia angulata marginata Lotz (FOSSIL)
mariannae, Vladanella mariannae Horný, 1992 † (FOSSIL)
marri, Murchisonia marri Donald, 1895 † (FOSSIL)
marvinwelleri, Aclisina marvinwelleri Thein & Nitecki, 1974 † - syn of: Hypergonia illinoiensis Weller, 1916 † (FOSSIL)
marylandica, Gyrodoma marylandica (Clarke & Swartz, 1913) † (FOSSIL)
maturoglabra, Diplozone maturoglabra Horný, 1994 † (FOSSIL)
mazaevi, Vebericochlis mazaevi Nützel & Nakazawa, 2012 † (FOSSIL)
megathanae, Murchisonia megathanae Blodgett & Johnson, 1992 † (FOSSIL)
meryenorfi, Hormotoma meryenorfi Koken, 1897 † (FOSSIL)
meyendorfi, Hormotoma meyendorfi Koken, 1897 † (FOSSIL)
micula, Murchisonia micula Miller, 1877 † (FOSSIL)
milleri, Murchisonia milleri Miller, 1877 † - syn of: Lophospira milleri (Miller, 1877) † (FOSSIL)
minerva, Murchisonia minerva d'Archiac & de Verneuil, 1841 † (FOSSIL)
minima, Aclisina minima (Shumard & Swallow, 1858) † (FOSSIL)
minnesotensis, Hormotoma minnesotensis (Ulrich & Scofield, 1897) † (FOSSIL)
minuta, Aclisina minuta (Stevens, 1858) † (FOSSIL)
minuta, Murchisonia minuta Grabau & Sherzer, 1910 † (FOSSIL)
missouriensis, Murchisonia missouriensis Girty, 1915 † - syn of: Taosia missouriensis (Girty, 1915) † (FOSSIL)
moderata, Hormotoma moderata Flower, 1968 † (FOSSIL)
mohawkensis, Murchisonia mohawkensis Cleland, 1900 † - syn of: Gasconadia mohawkensis (Cleland, 1900) † (FOSSIL)
monocincta, Murchisonia steltenbergensis monocincta Heidelberger & Koch (FOSSIL)
monoliniformis, Cyrtostropha monoliniformis (Lindström, 1884) † (FOSSIL)
morinensis, Cyrtostropha morinensis (Horný, 1952) † (FOSSIL)
moydartensis, Seelya moydartensis McLearn, 1924 † - syn of: Pleurorima moydartensis (McLearn, 1924) † (FOSSIL)
mulivolvis, Hormotoma mulivolvis Billings, 1857 † - syn of: Hormotoma minnesotensis (Ulrich & Scofield, 1897) † (FOSSIL)
multicarinata, Aclisina multicarinata Pan & Erwin, 2002 † - syn of: Royalella multicarinata (Pan & Erwin, 2002) † (FOSSIL)
multivolvis, Hormotoma multivolvis (Billings, 1857) † (FOSSIL)
multivolvis, Hormotoma gracilis multivolvis Ulrich & Scofield (FOSSIL)
munda, Lodanaria munda Dahmer, 1925 † (FOSSIL)
mylitta, Murchisonia mylitta Billings, 1865 † (FOSSIL)
nana, Micrentoma nana (de Koninck, 1881) † (FOSSIL)
nebrascensis, Murchisonia nebrascensis Geinitz, 1866 † - syn of: Orthonema nebrascense Geinitz, 1866 † (FOSSIL)
neglecta, Hormotoma neglecta (Ulrich & Scofield, 1897) † (FOSSIL)
neglecta, Michelia neglecta Ulrich & Scofield, 1897 † - syn of: Hormotoma neglecta (Ulrich & Scofield, 1897) † (FOSSIL)
neglectus, Coelocaulus neglectus Ulrich & Scofield, 1897 † - syn of: Hormotoma neglecta (Ulrich & Scofield, 1897) † (FOSSIL)
nerinea, Murchisonia nerinea Sandberger & Sandberger, 1855 † (FOSSIL)
nevadana, Catazone nevadana Blodgett & Johnson, 1992 † (FOSSIL)
nieszkowskii, Murchisonia nieszkowskii Schmidt, 1858 † - syn of: Ectomaria nieszkowskii (Schmidt, 1858) † (FOSSIL)
nigra, Hormotoma nigra Longst, 1924 † (FOSSIL)
nitida, Cyrtostropha salteri nitida Ulrich & Scofield (FOSSIL)
nixonforkensis, Morania nixonforkensis Rohr & al., 2008 † (FOSSIL)
nodolira, Arribazona nodolira Mazaev, 2003 † (FOSSIL)
nodusa, Wuxuanella nodusa Cook & Pan, 2004 † (FOSSIL)
northviewensis, Aclisina northviewensis Branson, 1938 † (FOSSIL)
obesa, Murchisonia obesa Whidborne, 1892 † (FOSSIL)
obscura, Cyrtostropha obscura (Portlock, 1843) † (FOSSIL)
obstipisutura, Mesocoelia obstipisutura Linsley, 1968 † (FOSSIL)
obtusa, Cheilotoma obtusa (Klipstein, 1843) † (FOSSIL)
obtusangula, Murchisonia obtusangula Lindström, 1884 † (FOSSIL)
oegensis, Murchisonia oegensis Heidelberger & Koch, 2005 † (FOSSIL)
oehlerti, Leptorima oehlerti (Perner, 1903) † (FOSSIL)
oehlerti, Murchisonia oehlerti Blodgett & al., 1999 † (FOSSIL)
oehlerti, Coelocaulus oehlerti Ulrich & Scofield, 1897 † (FOSSIL)
ordosensis, Hormotoma ordosensis Yü, 1961 † (FOSSIL)
ordovicia, Murchisonia ordovicia Yü, 1961 † (FOSSIL)
ordovix, Hormotoma ordovix Donald, 1902 † (FOSSIL)
ornata, Cerithiozone ornata Nützel & Nakazawa, 2012 † (FOSSIL)
othemensis, Murchisonia othemensis Lindström, 1884 † - syn of: Ulrichospira othemensis (Lindström, 1884) † (FOSSIL)
ottawaensis, Cyrtostropha salteri ottawaensis Wilson (FOSSIL)
pacifica, Cyrtostropha pacifica Perner, 1907 † (FOSSIL)
padangensis, Murchisonia padangensis Fliegel, 1901 † (FOSSIL)
paeckelmanni, Murchisonia paeckelmanni Heidelberger & Koch, 2005 † (FOSSIL)
pagodai, Hormotoma pagodai Endo, 1932 † - syn of: Donaldiella pagodai (Endo, 1932) † (FOSSIL)
pagodeformis, Murchisonia pagodeformis Kirchner, 1915 † (FOSSIL)
paquettensis, Hormotoma simplex paquettensis Wilson (FOSSIL)
paradoxa, Morania paradoxa (Lindström, 1884) † (FOSSIL)
parallela, Aclisina parallela Sayre, 1930 † (FOSSIL)
parva, Trypanocochlea parva Nützel & Nakazawa, 2012 † (FOSSIL)
patriciaensis, Hormotoma patriciaensis Parks, 1915 † (FOSSIL)
paucivoluta, Vistilia paucivoluta Yin & Yochelson, 1983 † (FOSSIL)
peculiaris, Coelocaulus peculiaris Wilson, 1938 † - syn of: Daidia peculiaris (Wilson, 1938) † (FOSSIL)
penduliobesa, Hormotomina penduliobesa Linsley, 1968 † (FOSSIL)
pentagonum, Cheilotomona pentagonum Yu & al., 1974 † (FOSSIL)
perlonga, Coelocaulus perlonga Perner, 1907 † (FOSSIL)
permiana, Trypanocochlea permiana Xi, 1974 † (FOSSIL)
persimilis, Michelia persimilis Poulsen, 1974 † (FOSSIL)
petila, Murchisonia petila Hall & Whitfield, 1872 † (FOSSIL)
petilla, Murchisonia petilla Hall & Whitfield, 1872 † - syn of: Murchisonia petila Hall & Whitfield, 1872 † (FOSSIL)
piperi, Hormotoma piperi Donald, 1899 † (FOSSIL)
placida, Murchisonia placida Billings, 1865 † (FOSSIL)
planogyrata, Michelia planogyrata Hall, 1859 † (FOSSIL)
planogyratum, Coelidium planogyratum Hall, 1859 † - syn of: Michelia planogyrata Hall, 1859 † (FOSSIL)
plumleyi, Murchisonia plumleyi Blodgett, 1992 † (FOSSIL)
podolica, Catazone podolica (Wenjukov, 1899) † (FOSSIL)
polita, Hormotoma polita Donald, 1902 † (FOSSIL)
polita, Bellazona polita Gordon & Yochelson, 1987 † (FOSSIL)
pollens, Coelocaulus pollens Perner, 1907 † (FOSSIL)
powellensis, Hormotoma powellensis Cullison, 1944 † - syn of: Hormotoma artemesia Billings, 1865 † (FOSSIL)
powellinensis, Hormotoma powellinensis Cullison, 1944 † - syn of: Hormotoma artemesia Billings, 1865 † (FOSSIL)
pragensis, Murchisonia pragensis Frýda & Manda, 1997 † (FOSSIL)
prava, Hormotoma prava Whitfield, 1886 † (FOSSIL)
priscum, Mesocoelia priscum (Münster, 1840) † (FOSSIL)
pritchardi, Murchisonia pritchardi Etheridge jr., 1898 † (FOSSIL)
pseudobinodosa, Wuxuanella pseudobinodosa (Heidelberger, 2001) † (FOSSIL)
pulchra, Aclisina pulchra de Koninck, 1881 † - syn of: Donaldina pulchra (de Koninck, 1881) † (FOSSIL)
pumila, Aclisina pumila Mark, 1912 † - syn of: Donaldina robusta (Stevens, 1858) † (FOSSIL)
pusilla, Aclisina pusilla Donald, 1898 † - syn of: Donaldina nana (de Koninck, 1881) † (FOSSIL)
pygmaea, Murchisonia pygmaea Rowley, 1895 † (FOSSIL)
quadricarinata, Lodanaria quadricarinata (Stauffer, 1909) † (FOSSIL)
quadricincta, Murchisonia quadricincta Winchell, 1863 † - syn of: Stegocoelia quadricincta (Winchell, 1863) † (FOSSIL)
quarki, Mesocoelia quarki Tassell, 1982 † (FOSSIL)
redux, Diplozone redux Perner, 1907 † - syn of: Diplozone innocens Perner, 1907 † (FOSSIL)
regularis, Aclisina regularis Xi, 1980 † (FOSSIL)
restisevoluta, Eohormotomina restisevoluta Frey & al., 2014 † (FOSSIL)
retusa, Diplozone retusa Perner, 1907 † (FOSSIL)
reverdyi, Murchisonia reverdyi Oehlert, 1877 † (FOSSIL)
robusta, Hormotoma robusta Donald, 1902 † (FOSSIL)
robustula, Catazone robustula Perner, 1907 † (FOSSIL)
rotunda, Plethospira rotunda Flower, 1968 † (FOSSIL)
rotundivolvis, Hormotoma rotundivolvis Roy, 1941 † (FOSSIL)
rudis, Hormotoma rudis d'Eichwald, 1860 † (FOSSIL)
salteri, Cyrtostropha salteri (Ulrich & Scofield, 1897) † (FOSSIL)
salteri canadensis, Cyrtostropha salteri canadensis (Ulrich & Scofield, 1897) † (FOSSIL)
salteri nitida, Cyrtostropha salteri nitida (Ulrich & Scofield, 1897) † (FOSSIL)
salteri ottawaensis, Cyrtostropha salteri ottawaensis Wilson, 1951 † (FOSSIL)
salteri tennesseensis, Cyrtostropha salteri tennesseensis (Ulrich & Scofield, 1897) † (FOSSIL)
sana, Coelocaulus sana Barrande, 1907 † - syn of: Medfracaulus sana (Barrande, 1907) † (FOSSIL)
sandbergeri, Murchisonia sandbergeri Paeckelmann, 1922 † (FOSSIL)
sandbergi, Murchisonia sandbergi Paeckelmann, 1922 † (FOSSIL)
scitula, Cyrtostropha scitula Donald, 1902 † (FOSSIL)
scleris, Vebericochlis scleris Licharev, 1975 † - syn of: Vebericochlis arguta Licharev, 1975 † (FOSSIL)
scrobiculata, Hormotoma scrobiculata Koken & Perner, 1925 † (FOSSIL)
sculpta, Cyrtostropha sculpta Perner, 1907 † (FOSSIL)
selenalta, Murchisonia selenalta Heidelberger, 2001 † (FOSSIL)
selkirkii, Aclisina selkirkii Donald, 1898 † - syn of: Aclisina striatula (de Koninck, 1844) † (FOSSIL)
semele, Plethospira semele Hall, 1861 † - syn of: Brachytomaria semele (Hall, 1861) † (FOSSIL)
sera, Murchisonia sera Böhm, 1895 † (FOSSIL)
serpens, Brilonella serpens (Kayser, 1872) † (FOSSIL)
shumardiana, Murchisonia shumardiana Winchell, 1863 † - syn of: Knightella shumardiana (Winchell, 1863) † (FOSSIL)
sibertae, Parahormotomina sibertae Blodgett & al., 1999 † (FOSSIL)
sibleyensis, Murchisonia sibleyensis Linsley, 1968 † (FOSSIL)
similis, Hormotoma similis Donald † (FOSSIL)
similis, Murchisonia similis Trenkner, 1868 † (FOSSIL)
simplex, Murchisonia simplex McCoy † (FOSSIL)
simplex, Hormotoma simplex Wilson, 1932 † (FOSSIL)
simplex paquettensis, Hormotoma simplex paquettensis Wilson, 1951 † (FOSSIL)
simulans, Catazone simulans Perner, 1907 † - syn of: Catazone cuneus Perner, 1907 † (FOSSIL)
simulatrix, Hormotoma simulatrix Billings, 1865 † - syn of: Eroicaspira simulatrix (Billings, 1865) † (FOSSIL)
sinelnikovae, Cibecuia sinelnikovae Mazaev, 2002 † (FOSSIL)
soluta, Murchisonia soluta Whiteaves, 1884 † - syn of: Loxoplocus soluta (Whiteaves, 1884) † (FOSSIL)
sosiensis, Murchisonia sosiensis Gemmellaro, 1889 † (FOSSIL)
sphaerulata, Murchisonia sphaerulata Donald, 1887 † (FOSSIL)
spinacavus, Wuxuanella spinacavus (Heidelberger, 2001) † (FOSSIL)
spinosa, Murchisonia spinosa Phillips, 1841 † - syn of: Cheeneetnukia spinosa (Phillips, 1841) † (FOSSIL)
spinosa, Wuxuanella spinosa Phillips, 1841 † - syn of: Cheeneetnukia spinosa (Phillips, 1841) † (FOSSIL)
steltenbergensis, Murchisonia steltenbergensis Heidelberger & Koch, 2005 † (FOSSIL)
steltenbergensis monocincta, Murchisonia steltenbergensis monocincta Heidelberger & Koch, 2005 † (FOSSIL)
stevansana, Aclisina stevansana Meek & Worthen, 1866 † - syn of: Donaldina stevensana (Meek & Worthen, 1866) † (FOSSIL)
stevensana, Aclisina stevensana Meek & Worthen, 1866 † - syn of: Donaldina stevensana (Meek & Worthen, 1866) † (FOSSIL)
strebloceras, Coelocaulus strebloceras (Clarke, 1907) † (FOSSIL)
strebloceras, Coelidium strebloceras Clarke, 1907 † - syn of: Coelocaulus strebloceras (Clarke, 1907) † (FOSSIL)
striatula, Aclisina striatula (de Koninck, 1844) † (FOSSIL)
striatula, Hormotoma striatula Longst, 1924 † (FOSSIL)
striatula, Catazone striatula Longstaff, 1924 † - syn of: Hormotoma polita Donald, 1902 † (FOSSIL)
styloidea, Catazone styloidea Perner, 1907 † (FOSSIL)
subangulata, Plethospira subangulata Flower, 1968 † - syn of: Plethospira cassina (Whitfield, 1886) † (FOSSIL)
subangulata, Hormotoma subangulata Ulrich & Scofield, 1897 † (FOSSIL)
subcarinata, Murchisonia subcarinata Sherzer & Grabau, 1910 † (FOSSIL)
subgranulata, Cheilotoma subgranulata (Klipstein, 1843) † (FOSSIL)
sublaxa, Hormotoma gracilis sublaxa Ulrich & Scofield (FOSSIL)
subornata, Murchisonia subornata de Koninck, 1883 † (FOSSIL)
subplicata, Cyrtostropha subplicata (Lindström, 1884) † (FOSSIL)
subsulcata, Aclisina subsulcata de Koninck, 1844 † - syn of: Aclisina striatula (de Koninck, 1844) † (FOSSIL)
subsutra, Aclisina subsutra Wang, 1982 † (FOSSIL)
subtaeniata, Murchisonia subtaeniata Geinitz, 1866 † - syn of: Orthonema subtaeniatum Geinitz, 1866 † (FOSSIL)
subulata, Murchisonia subulata (Conrad, 1842) † (FOSSIL)
subulata, Hormotoma subulata Conrad, 1842 † - syn of: Murchisonia subulata (Conrad, 1842) † (FOSSIL)
subulata, Murchisonia subulata Tyler, 1965 † (FOSSIL)
suspecta, Mesocoelia suspecta Perner, 1907 † (FOSSIL)
swallovana, Aclisina swallovana Geinitz, 1866 † - syn of: Royalella swallowiana (Geinitz, 1866) † (FOSSIL)
taltiensis, Murchisonia taltiensis Tschernischeff, 1893 † (FOSSIL)
tatei, Murchisonia tatei Donald, 1892 † (FOSSIL)
tenera, Michelia tenera Perner, 1907 † (FOSSIL)
tennesseensis, Cyrtostropha salteri tennesseensis Ulrich & Scofield (FOSSIL)
tenue, Michelia tenue Clarke, 1907 † (FOSSIL)
tenuella, Michelia tenuella Williams & Breger, 1916 † - syn of: Michelia tenue Clarke, 1907 † (FOSSIL)
tenuifilosa, Hormotoma tenuifilosa Donald, 1906 † (FOSSIL)
tenuissima, Murchisonia tenuissima Donald, 1887 † (FOSSIL)
terebra, Aclisina terebra Donald, 1898 † (FOSSIL)
terebrans, Mesocoelia terebrans Perner, 1907 † (FOSSIL)
terebriformis, Glyphodeta terebriformis (Hall, 1856) † (FOSSIL)
teretiformis, Hormotoma teretiformis (Billings, 1857) † (FOSSIL)
thomsoni, Murchisonia thomsoni de Koninck, 1883 † - syn of: Donaldospira pertusa (de Koninck, 1883) † (FOSSIL)
tillesae, Murchisonia tillesae Blodgett & Johnson, 1992 † (FOSSIL)
torquata, Cyrtostropha torquata (M'Coy, 1851) † (FOSSIL)
townsendii, Leptorima townsendii (Whiteaves, 1895) † (FOSSIL)
trentonensis, Hormotoma trentonensis Ulrich & Scofield, 1897 † - syn of: Omospira trentonensis Ulrich & Scofield, 1897 † (FOSSIL)
treponema, Murchisonia treponema Whidborne, 1892 † (FOSSIL)
tricarinata, Murchisonia tricarinata Sherzer & Grabau, 1910 † - syn of: Murchisonia anderdoniae Linsley, 1968 † (FOSSIL)
tricincta, Murchisonia tricincta d'Archiac & de Verneuil, 1842 † (FOSSIL)
trilineata, Murchisonia trilineata (Sandberger & Sandberger, 1854) † (FOSSIL)
tristriata, Cheilotoma tristriata (Münster, 1841) † (FOSSIL)
tschernyschewi, Arribazona tschernyschewi (Jakowlew, 1899) † (FOSSIL)
tschernyschewi, Glyphodeta tschernyschewi Donald, 1895 † (FOSSIL)
turbinata, Murchisonia turbinata Bronn, 1856 † (FOSSIL)
turgida, Plethospira turgida Hall, 1847 † - syn of: Straparollina turgida (Hall, 1847) † (FOSSIL)
turriculata, Murchisonia turriculata de Koninck, 1883 † (FOSSIL)
turriformis, Murchisonia turriformis Grünberg, 1927 † (FOSSIL)
turris, Murchisonia turris de Koninck, 1876 † (FOSSIL)
turritella, Murchisonia turritella Hall, 1856 † - syn of: Hypergonia percostata Girty, 1939 † (FOSSIL)
turritiformis, Coelocaulus turritiformis (Hall, 1852) † (FOSSIL)
ulrichi, Plethospira ulrichi Schuchert, 1900 † (FOSSIL)
uninodocarinata, Murchisonia uninodocarinata Hyde, 1953 † - syn of: Neilsonia uninodocarinata (Hyde, 1953) † (FOSSIL)
ventricosa, Plethospira ventricosa Ulrich & Scofield, 1897 † (FOSSIL)
vermicula, Murchisonia vermicula Hall, 1856 † - syn of: Hypergonia turritella (Hall, 1856) † (FOSSIL)
verneuiliana, Murchisonia verneuiliana de Koninck, 1844 † - syn of: Donaldospira verneuiliana (de Koninck, 1844) † (FOSSIL)
vesta, Hormotoma vesta Billings, 1865 † (FOSSIL)
vicariana, Murchisonia vicariana Whidborne, 1892 † (FOSSIL)
vincta, Murchisonia vincta (Hall, 1856) † (FOSSIL)
vitellia, Seelya vitellia Billings, 1865 † - syn of: Kirkospira vitellia (Billings, 1865) † (FOSSIL)
vsinuata, Morania vsinuata Horný, 1953 † (FOSSIL)
wagneri, Morania wagneri Rohr & al., 2008 † (FOSSIL)
wandovalensis, Murchisonia wandovalensis Cook & Camilleri, 1997 † (FOSSIL)
whidborni, Devonocerithioides whidborni (Frýda, 2000) † (FOSSIL)
whiteavesi, Michelia whiteavesi (Clarke & Ruedemann, 1903) † (FOSSIL)
whiteavesi, Hormotoma whiteavesi Clarke & Ruedemann, 1903 † - syn of: Michelia whiteavesi (Clarke & Ruedemann, 1903) † (FOSSIL)
wilsoni, Hormotoma wilsoni Okulitch, 1935 † (FOSSIL)
winnipegensis, Hormotoma winnipegensis Whiteaves, 1897 † (FOSSIL)
wuxuanensis, Crenulazona wuxuanensis Cook & Pan, 2004 † (FOSSIL)
xanthippe, Murchisonia xanthippe Billings, 1865 † (FOSSIL)
yabei, Akasakiella yabei (Hayasaka, 1943) † (FOSSIL)
youngiana, Murchisonia youngiana Donald, 1895 † - syn of: Hypergonia vermicula (Hall, 1856) † (FOSSIL)
yunnanensis, Micrentoma yunnanensis (Mansuy, 1919) † (FOSSIL)
zelleri, Hormotoma zelleri Flower, 1968 † - syn of: Eroicaspira zelleri (Flower, 1968) † (FOSSIL)
zeuneri, Diplozone zeuneri (Roemer, 1852) † (FOSSIL)
zimmermanni, Murchisonia zimmermanni Heidelberger & Koch, 2005 † (FOSSIL)
zonaria, Coelocaulus zonaria Perner, 1907 † (FOSSIL)
zonata, Glyphodeta zonata (Donald, 1887) † (FOSSIL)
zonatus, Chambersius zonatus Lamont, 1978 † (FOSSIL)
zygopleuroides, Loxisonia zygopleuroides Batten, 1985 † (FOSSIL)
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