affinis, Systrophia affinis (Pilsbry, 1900)
alcidiana, Systrophia alcidiana Ancey, 1892
alicea, Systrophia alicea (Guppy, 1871)
altivaga, Systrophiella altivaga Crawford, 1939
altora, Systrophia altora Weyrauch, 1967
amazonica, Scolodonta amazonica (Dohrn, 1882)
ammoceras, Happia ammoceras Pfeiffer, 1854 - syn of: Happia ammonoceras (Pfeiffer, 1854)
ammoniformis, Drepanostomella ammoniformis (D'Orbigny, 1835)
ammonoceras, Happia ammonoceras (Pfeiffer, 1854)
andia, Drepanostomella andia Pilsbry, 1932
andivaga, Systrophia andivaga Pilsbry, 1944
angigyra, Zilchistrophia angigyra (Haas, 1949)
antoni, Systrophia antoni (Pfeiffer, 1842)
balboa, Miradiscops balboa Pilsbry, 1930
banghaasi, Tamayoa banghaasi (Böttger, 1927)
baudoni, Moerchia baudoni Petit De La Saussaye, 1853 - syn of: Zophos baudoni (Petit De La Saussaye, 1853)
besckei, Happia besckei (Dunker, 1847)
bounoboena, Scolodonta bounoboena (D'Orbigny, 1835)
branickii, Guestieria branickii Lubomirski, 1879
brasiliensis, Miradiscops brasiliensis (Thiele, 1927)
brevis, Happiella brevis (Adams, 1849)
cayennensis, Wayampia cayennensis (Pfeiffer, 1841)
cereonitens, Systrophia cereonitens Haas, 1951
chalicophila, Wayampia chalicophila (D'Orbigny, 1835)
cheilostropha, Entodina cheilostropha (D'Orbigny, 1835)
circumplexa, Systrophia circumplexa (Férussac, 1839)
coffreana, Happia coffreana (Moricand, 1841)
costaricana, Systrophiella costaricana Rehder, 1942
cuzcana, Happia cuzcana (Philippi, 1869)
decagyra, Systrophiella decagyra (Philippi, 1869)
declinata, Systrophia stenostrepta declinata Pilsbry
decolorata, Happiella decolorata (Drouët, 1859)
derbyi, Entodina derbyi (Ihering, 1912)
desbyi, Entodina desbyi (Ihering, 1912)
eatoni, Systrophia eatoni Baker, 1913
eliseoduartei, Scolodonta eliseoduartei (Weyrauch, 1966)
entodonta, Entodina entodonta (Pfeiffer, 1859)
euspira, Happia euspira (Pfeiffer, 1854)
exigua, Entodina exigua (Thiele, 1927)
florezi, Happia florezi (Weyrauch, 1967)
florezi, Systrophia florezi Weyrauch, 1967
footei, Systrophiella footei (Dall, 1912)
gionensis, Entodina gionensis Morretes, 1940
glaberrina, Happia glaberrina Thiele, 1927
grata, Happia grata Thiele, 1927
guayaquilensis, Wayampia guayaquilensis (Pfeiffer, 1852)
guildingi, Happiella guildingi (Bland, 1865)
gyrella, Systrophiella gyrella (Morelet, 1863)
gyrellina, Systrophiella gyrellina Haas, 1951
haasi, Systrophia haasi Weyrauch, 1960
haplocochlion, Miradiscops haplocochlion Thompson, 1967
helicycloides, Systrophia helicycloides (D'Orbigny, 1835)
heligmoida, Entodina heligmoida (D'Orbigny, 1835)
hilaryae, Zilchistrophia hilaryae Páll-Gergely, 2013
iheringi, Happia iheringi (Clessin, 1888)
implicans, Scolodonta implicans (Guppy, 1868)
incara, Wayampia incara (Crawford, 1939)
incisa, Happia incisa (Pfeiffer, 1866)
insularis, Happia insularis (Böttger, 1889)
interrupta, Scolodonta interrupta (Suter, 1900)
isthmica, Guestieria isthmica Pilsbry, 1930
janeirensis, Entodina janeirensis (Pfeiffer, 1851)
jekylli, Entodina jekylli Baker, 1914
locardi, Guestieria locardi Jousseaume, 1887
lundi, Entodina lundi (Mörch, 1871)
lunti, Miradiscops lunti (Smith, 1898)
lyzarzaburui, Happia lyzarzaburui (Jousseaume, 1887)
lyzarzaburui, Ammonoceras lyzarzaburui Jousseaume, 1887 - syn of: Happia lyzarzaburui (Jousseaume, 1887)
martinida, Guestieria martinida Jousseaume, 1887
maya, Miradiscops maya (Pilsbry, 1920)
microdiscus, Happia microdiscus Thiele, 1927
moellendorfii, Systrophia moellendorfii Rolle, 1904
muelleri, Happia muelleri Thiele, 1927
mutata, Scolodonta mutata (Gould, 1846)
nautiliforme, Drepanostomella nautiliforme (Porro, 1836)
nitidula, Scolodonta nitidula (Dohrn, 1882)
obvoluta, Zilchistrophia obvoluta (Haas, 1949)
olssoni, Occulator olssoni Pilsbry, 1926 - syn of: Calacyclotus olssoni (Pilsbry, 1926)
olssoni, Guestieria olssoni Pilsbry, 1932
opal, Miradiscops opal (Pilsbry, 1920)
ortoni, Systrophia ortoni (Crosse, 1871)
panamensis, Miradiscops panamensis Pilsbry, 1930
pebasensis, Happia pebasensis Preston, 1914
peruviana, Wayampia peruviana (Preston, 1907)
pilsbryi, Systrophia pilsbryi Weyrauch, 1958
pinchoti, Drepanostomella pinchoti Pilsbry, 1930
planior, Systrophiella planior (Haas, 1951)
planispira, Systrophiella planispira Weyrauch, 1967
platygyra, Entodina platygyra (Albers, 1857)
platysma, Systrophia platysma Haas, 1951
polycycla, Systrophia polycycla (Morelet, 1860)
ponsonbyi, Happia ponsonbyi (Pilsbry & Clapp, 1902)
pseudoplanorbis, Systrophiella pseudoplanorbis (Lubomirski, 1879)
pucayaensis, Happia pucayaensis Preston, 1914
puncticipitis, Miradiscops puncticipitis (Pilsbry, 1926)
retinella, Wayampia retinella (Haas, 1949)
ridicula, Miradiscops ridicula Pilsbry, 1930 - syn of: Hawaiia ridicula (Pilsbry, 1930)
rinae, Scolodonta rinae Miquel & Bungartz, 2017
rosenbergiana, Happia rosenbergiana Preston, 1914
sandwichensis, Systrophia sandwichensis (Pfeiffer, 1849)
sargenti, Systrophia sargenti (Pilsbry, 1900)
shiwiarorum, Zilchistrophia shiwiarorum Páll-Gergely, 2013
shuttleworthi, Guestieria shuttleworthi (Pfeiffer, 1851)
siolii, Systrophia siolii Haas, 1955
snethlagei, Happia snethlagei Baker, 1914
spirorbis, Scolodonta spirorbis (Deshayes, 1850)
starkii, Systrophia starkii (Baker)
stenogyra, Systrophia stenogyra (Pfeiffer, 1854)
stenostrepta, Systrophia stenostrepta (Pfeiffer, 1856)
stenostrepta declinata, Systrophia stenostrepta declinata (Pilsbry, 1900)
stolli, Drepanostomella stolli (Von Martens, 1892)
suborbicula, Wayampia suborbicula (Dohrn, 1882)
systropha, Systrophia systropha (Albers, 1854)
thomasi, Wayampia thomasi (Pfeiffer, 1854)
tortilis, Systrophiella tortilis (Morelet, 1863)
tridentata, Zilchistrophia tridentata (Weyrauch, 1960)
trinitaria, Tamayoa trinitaria (Smith, 1898)
trochilioneides, Wayampia trochilioneides (D'Orbigny, 1835)
variegata, Systrophiella variegata (Haas, 1949)
variolata, Miradiscops variolata Baker, 1925
vitrina, Happia vitrina (Wagner, 1827)
weyrauchi, Systrophiella weyrauchi (Haas, 1951)
zilchi, Wayampia zilchi (Weyrauch, 1967)
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