agria, Ludwigia agria Buckman † (FOSSIL)
ambigua, Ludwigia ambigua Buckman † (FOSSIL)
angulata, Paquieria angulata Buckman, 1899 † (FOSSIL)
apertum, Graphoceras apertum (Buckman) † (FOSSIL)
arcitenens, Graphoceras arcitenens Buckman † (FOSSIL)
arcuata, Ludwigella arcuata Buckman, 1901 † - syn of: Graphoceras arcuatum (Buckman, 1901) † (FOSSIL)
arcuatum, Graphoceras arcuatum (Buckman, 1901) † (FOSSIL)
arenacea, Canavarella arenacea Buckman † (FOSSIL)
armipotens, Ludwigia armipotens (Buckman) † (FOSSIL)
attenuata, Ludwigella attenuata Buckman, 1901 † - syn of: Graphoceras attenuatus (Buckman, 1901) † (FOSSIL)
attenuatus, Graphoceras attenuatus (Buckman, 1901) † (FOSSIL)
attracta, Ludwigella attracta Buckman, 1904 † - syn of: Graphoceras attractum (Buckman, 1904) † (FOSSIL)
attractum, Graphoceras attractum (Buckman, 1904) † (FOSSIL)
baylei, Ludwigia baylei (Buckman) † (FOSSIL)
bifidatum, Leioceras bifidatum (Buckman, 1899) † (FOSSIL)
blanda, Ludwigella blanda Buckman, 1901 † - syn of: Graphoceras blandum (Buckman, 1901) † (FOSSIL)
blandum, Graphoceras blandum (Buckman, 1901) † (FOSSIL)
blenda, Graphoceras blenda Buckman † (FOSSIL)
bradfordensis, Brasilia bradfordensis (Buckman, 1887) † (FOSSIL)
brasili, Ludwigia brasili (Buckman) † (FOSSIL)
bullifera, Ludwigia bullifera Buckman † (FOSSIL)
callosa, Ludwigella callosa Buckman, 1901 † - syn of: Graphoceras callosum (Buckman, 1901) † (FOSSIL)
callosum, Graphoceras callosum (Buckman, 1901) † (FOSSIL)
carinata, Graphoceras carinata (Buckman, 1904) † (FOSSIL)
carinata, Ludwigella carinata Buckman, 1904 † - syn of: Graphoceras carinata (Buckman, 1904) † (FOSSIL)
carinferum, Ludwigia carinferum (Buckman) † (FOSSIL)
carinifera, Leioceras carinifera (Buckman, 1899) † (FOSSIL)
carinifera, Ancolioceras carinifera Buckman, 0 † - syn of: Leioceras carinifera (Buckman, 1899) † (FOSSIL)
cariniferum, Leioceras cariniferum Buckman † (FOSSIL)
casta, Ludwigella casta Buckman, 1901 † - syn of: Graphoceras castum (Buckman, 1901) † (FOSSIL)
castum, Graphoceras castum (Buckman, 1901) † (FOSSIL)
cavata, Graphoceras cavata Buckman † (FOSSIL)
cirrata, Ludwigia cirrata Buckman † (FOSSIL)
coela, Reynesia coela Buckman † (FOSSIL)
compactum, Graphoceras compactum Buckman † (FOSSIL)
compressum, Ludwigia compressum Buckman † (FOSSIL)
comptocostosum, Leioceras comptocostosum Chandler & Callomon, 2009 † (FOSSIL)
comptum, Leioceras comptum (Reinecke, 1818) † (FOSSIL)
concava, Ludwigella concava Sowerby, 1815 † - syn of: Graphoceras concavum (Sowerby, 1815) † (FOSSIL)
concavum, Graphoceras concavum (Sowerby, 1815) † (FOSSIL)
cornu, Ludwigia cornu (Buckman, 1881) † (FOSSIL)
cornu, Ludwigella cornu Buckman, 1881 † - syn of: Ludwigia cornu (Buckman, 1881) † (FOSSIL)
cosmia, Ludwigia cosmia (Buckman) † (FOSSIL)
costosum, Costileioceras costosum (Quenstedt, 1886) † (FOSSIL)
crinalis, Brasilia crinalis (Buckman) † (FOSSIL)
curvicostatum, Hyperlioceras curvicostatum Buckman, 1907 † (FOSSIL)
debile, Graphoceras debile Buckman † (FOSSIL)
decipiens, Brasilia decipiens (Buckman) † (FOSSIL)
decipiformis, Brasilia decipiformis Dietze & al., 2014 † (FOSSIL)
decorum, Graphoceras decorum Buckman † (FOSSIL)
deflexum, Hyperlioceras deflexum Buckman, 1907 † (FOSSIL)
deletum, Ludwigia deletum Buckman † (FOSSIL)
delicata, Graphoceras delicata Buckman † (FOSSIL)
discitiforme, Hyperlioceras discitiforme Buckman † (FOSSIL)
effricata, Brasilia effricata Buckman † (FOSSIL)
extralaevis, Ludwigia extralaevis (Quenstedt) † (FOSSIL)
falcigera, Graphoceras falcigera (Buckman, 1904) † (FOSSIL)
falcigera, Oedania falcigera Buckman, 1904 † - syn of: Graphoceras falcigera (Buckman, 1904) † (FOSSIL)
fallax, Graphoceras fallax (Buckman) † (FOSSIL)
flaccidum, Graphoceras flaccidum Buckman † (FOSSIL)
flexilis, Graphoceras flexilis (Buckman, 1901) † (FOSSIL)
flexilis, Ludwigella flexilis Buckman, 1901 † - syn of: Graphoceras flexilis (Buckman, 1901) † (FOSSIL)
formosum, Graphoceras formosum (Buckman) † (FOSSIL)
gallica, Ludwigia gallica Buckman † (FOSSIL)
geisingensis, Brasilia geisingensis Dietze & al., 2014 † (FOSSIL)
glevensis, Graphoceras glevensis (Buckman, 1901) † (FOSSIL)
glevensis, Ludwigella glevensis Buckman, 1901 † - syn of: Graphoceras glevensis (Buckman, 1901) † (FOSSIL)
goetzendorfensis, Ludwigia goetzendorfensis Dorn, 1935 † - syn of: Leioceras comptum (Reinecke, 1818) † (FOSSIL)
gracile, Leioceras gracile (Buckman, 1899) † (FOSSIL)
gracile, Leioceras gracile Buckman † (FOSSIL)
gradata, Ludwigia gradata (Buckman) † (FOSSIL)
grave, Leioceras grave (Buckman, 1899) † (FOSSIL)
hamatum, Graphoceras hamatum Buckman † (FOSSIL)
ikianus, Graphoceras ikianus (Yokoyama) † (FOSSIL)
impolita, Graphoceras impolita Buckman † (FOSSIL)
incisum, Hyperlioceras incisum Buckman, 1907 † (FOSSIL)
inclusum, Hyperlioceras inclusum Buckman, 1907 † (FOSSIL)
inflata, Graphoceras inflata Buckman † (FOSSIL)
intermedia, Reynesia intermedia (Buckman, 1888) † (FOSSIL)
juncta, Hyperlioceras juncta (S.S. Buckman, 1904) † (FOSSIL)
laciniosa, Ludwigia laciniosa (Buckman) † (FOSSIL)
laevigata, Ludwigia laevigata Buckman † (FOSSIL)
latum, Graphoceras latum Buckman † (FOSSIL)
laxa, Reynesia laxa Buckman † (FOSSIL)
lepida, Reynesia lepida Buckman † (FOSSIL)
lepta, Graphoceras lepta Buckman † (FOSSIL)
limatum, Ludwigia limatum Buckman † (FOSSIL)
limitatum, Graphoceras limitatum Buckman, 1902 † (FOSSIL)
lineatum, Leioceras lineatum (Buckman, 1899) † (FOSSIL)
liodiscites, Hyperlioceras liodiscites Buckman † (FOSSIL)
literata, Ludwigia literata Buckman † (FOSSIL)
lucyi, Hyperlioceras lucyi (Buckman, 1889) † (FOSSIL)
maggsi, Ludwigia maggsi Buckman † (FOSSIL)
magna, Graphoceras magna Buckman † (FOSSIL)
micra, Ludwigella micra Buckman, 1901 † - syn of: Graphoceras micrum (Buckman, 1901) † (FOSSIL)
micrum, Graphoceras micrum (Buckman, 1901) † (FOSSIL)
mirabile, Graphoceras mirabile Buckman † (FOSSIL)
modica, Ludwigella modica Buckman, 1901 † - syn of: Graphoceras modicum (Buckman, 1901) † (FOSSIL)
modicum, Graphoceras modicum (Buckman, 1901) † (FOSSIL)
murchisonae, Ludwigia murchisonae (Sowerby, 1825) † (FOSSIL)
nitens, Paineia nitens Buckman, 1904 † (FOSSIL)
nodata, Graphoceras nodata (Buckman, 1904) † (FOSSIL)
nodata, Ludwigella nodata Buckman, 1904 † - syn of: Graphoceras nodata (Buckman, 1904) † (FOSSIL)
obtusa, Ludwigia obtusa (Buckman, 1904) † (FOSSIL)
obtusiformis, Ludwigia obtusiformis Buckman, 1913 † (FOSSIL)
opaca, Ludwigella opaca Buckman, 1901 - syn of: Graphoceras opacum (Buckman, 1901) †
opacum, Graphoceras opacum (Buckman, 1901) † (FOSSIL)
opaliniforme, Cypholioceras opaliniforme Buckman, 1899 † (FOSSIL)
opalinum, Leioceras opalinum (Reinecke, 1818) † (FOSSIL)
pagana, Ludwigia pagana Buckman † (FOSSIL)
partitum, Leioceras partitum (Buckman, 1899) † (FOSSIL)
parvicosta, Graphoceras parvicosta Buckman † (FOSSIL)
patellaria, Brasilia patellaria (Buckman, 1906) † (FOSSIL)
patellaria, Apedogyria patellaria Buckman, 1906 † - syn of: Brasilia patellaria (Buckman, 1906) † (FOSSIL)
patula, Ludwigia patula (Buckman) † (FOSSIL)
pigrum, Cypholioceras pigrum Buckman, 1899 † - syn of: Brodieia pigra Buckman, 1899 † (FOSSIL)
pinax, Ludwigia pinax Buckman † (FOSSIL)
pinguis, Brasilia pinguis (Buckman) † (FOSSIL)
piodes, Hyperlioceras piodes Buckman † (FOSSIL)
platus, Brasilia platus Buckman † (FOSSIL)
platychora, Brasilia platychora (Buckman, 1898) † (FOSSIL)
platychora, Apedogyria platychora Buckman, 1898 † - syn of: Brasilia platychora (Buckman, 1898) † (FOSSIL)
plectile, Leioceras plectile (Buckman, 1899) † (FOSSIL)
plicatellum, Leioceras plicatellum (Buckman, 1899) † (FOSSIL)
plicatellum, Leioceras plicatellum Buckman † (FOSSIL)
plicatum, Cypholioceras plicatum Buckman, 1899 † (FOSSIL)
pulchrum, Graphoceras pulchrum Buckman, 1902 † (FOSSIL)
pustulifera, Ludwigia pustulifera (Buckman) † (FOSSIL)
reflua, Ludwigia reflua (Buckman, 1904) † (FOSSIL)
renovatum, Cypholioceras renovatum Buckman, 1888 † (FOSSIL)
robustum, Graphoceras robustum Buckman † (FOSSIL)
rudidiscites, Hyperlioceras rudidiscites Buckman † (FOSSIL)
rudis, Graphoceras rudis (Buckman) † (FOSSIL)
rugosa, Ludwigella rugosa Buckman, 1901 † - syn of: Graphoceras rugosum (Buckman, 1901) † (FOSSIL)
rugosum, Graphoceras rugosum (Buckman, 1901) † (FOSSIL)
scriptitatum, Graphoceras scriptitatum Buckman † (FOSSIL)
sehndensis, Staufenia sehndensis Hoffmann, 1913 † (FOSSIL)
similis, Brasilia similis (Buckman, 1889) † (FOSSIL)
sinon, Costileioceras sinon (Bayle, 1878) † (FOSSIL)
stigmosum, Graphoceras stigmosum Buckman † (FOSSIL)
striatum, Leioceras striatum (Buckman, 1899) † (FOSSIL)
subacuta, Graphoceras subacuta (Buckman, 1902) † (FOSSIL)
subacuta, Stokeia subacuta Buckman, 1902 † - syn of: Graphoceras subacuta (Buckman, 1902) † (FOSSIL)
subcava, Ludwigia subcava Buckman † (FOSSIL)
subcornuta, Brasilia subcornuta (Buckman, 1904) † (FOSSIL)
subcornuta, Apedogyria subcornuta Buckman, 1904 † - syn of: Brasilia subcornuta (Buckman, 1904) † (FOSSIL)
subcostosum, Leioceras subcostosum (Buckman, 1899) † (FOSSIL)
subdiscoideum, Deltoidoceras subdiscoideum Buckman, 1889 † (FOSSIL)
subfalcata, Mansellia subfalcata (Buckman, 1899) † (FOSSIL)
subleve, Hyperlioceras subleve Buckman † (FOSSIL)
sublineata, Brasilia sublineata Buckman † (FOSSIL)
subobsoleta, Ludwigella subobsoleta Buckman, 1901 † - syn of: Graphoceras subobsoletum (Buckman, 1901) † (FOSSIL)
subobsoletum, Graphoceras subobsoletum (Buckman, 1901) † (FOSSIL)
subrudis, Graphoceras subrudis Buckman † (FOSSIL)
substriatum, Leioceras substriatum Buckman † (FOSSIL)
subtabulata, Ludwigia subtabulata Buckman † (FOSSIL)
subtilicosta, Brasilia subtilicosta (Buckman, 1898) † (FOSSIL)
subtilicosta, Apedogyria subtilicosta Buckman, 1898 † - syn of: Brasilia subtilicosta (Buckman, 1898) † (FOSSIL)
tabulatum, Hyperlioceras tabulatum (Buckman) † (FOSSIL)
tenuis, Graphoceras tenuis (Buckman, 1904) † (FOSSIL)
tenuis, Ludwigella tenuis Buckman, 1904 † - syn of: Graphoceras tenuis (Buckman, 1904) † (FOSSIL)
thompsoni, Leioceras thompsoni (Buckman, 1899) † (FOSSIL)
tolulana, Canavarella tolulana (Dumortier) † (FOSSIL)
tolutaria, Ludwigia tolutaria Dumortier † (FOSSIL)
torta, Canavarella torta (Buckman) † (FOSSIL)
umbilicata, Ludwigia umbilicata (Buckman, 1904) † (FOSSIL)
undulatum, Leioceras undulatum (Buckman, 1899) † (FOSSIL)
undulatum, Graphoceras undulatum Buckman † (FOSSIL)
vibrata, Ludwigella vibrata Buckman, 1904 † - syn of: Graphoceras vibratum (Buckman, 1904) † (FOSSIL)
vibratum, Graphoceras vibratum (Buckman, 1904) † (FOSSIL)
vitiosum, Cypholioceras vitiosum Buckman, 1899 † - syn of: Haugiella vitiosa (Buckman, 1899) † (FOSSIL)
vscriptum, Graphoceras vscriptum (Buckman, 1888) † (FOSSIL)
walkeri, Hyperlioceras walkeri (Buckman, 1889) † (FOSSIL)
wilsoni, Ludwigia wilsoni Buckman † (FOSSIL)
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