Classification of Olsson 1922
G. Astralium Link 1807
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Astralium brevispinum Lamarck 1822
Astralium caelatum Gmelin 1791
G. Cassis Scopoli 1777
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Cassis flammea Linnaeus 1758
†Cassis sulcifera Sowerby 1850
G. Cypraea Linnaeus 1758 [cowry]
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Cypraea cinerea Martini 1769
†Cypraea dominicensis Gabb 1873
†Cypraea parisimina Olsson 1922
G. Polinices Monfort 1810 [moon snail]
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†Polinices stanislasmeunieri Maury 1917
Polinices subclausa Sowerby 1850
G. Siliquaria Bruguière 1792
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G. Strombus Linnaeus 1758 [conch]
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†Strombus gatunensis Toula 1908
†Strombus pugiloides Guppy 1866
G. Turritella Lamarck 1799 [turret shell]
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†Turritella gatunensis Conrad 1857
†Turritella mimetes Brown and Pilsbry 1911
†Turritella oreodoxa Olsson 1922
G. Alectrion Montfort 1810
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†Alectrion losquemadica Maury 1917
†Alectrion merenda Olsson 1922
†Alectrion ranuncula Olsson 1922
G. Cancellaria Lamarck 1799
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†Cancellaria barretti Guppy 1866
†Cancellaria dariena Toula 1908
†Cancellaria epistomifera Guppy 1876
†Cancellaria islacolonis Maury 1917
†Cancellaria rowelli Dall 1896
†Cancellaria toroensis Olsson 1922
G. Conus Linnaeus 1758
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†Conus burckhardti Bose 1906
†Conus concavitectum Brown and Pilsbry 1911
†Conus gracilissimus Guppy 1866
†Conus granozonatus Guppy 1866
†Conus imitator Brown and Pilsbry 1911
†Conus limonensis Olsson 1922
†Conus marginatus Sowerby 1839
†Conus molis Brown and Pilsbry 1911
Conus proteus Hwass 1792
†Conus recognitus Guppy 1867
†Conus stenostomus Sowerby 1850
†Conus tortuosopunctatus Toula 1911
G. Drillia Gray 1838
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†Drillia aquansis Olsson 1922
Drillia aurantia Carpenter 1864
†Drillia carruca Olsson 1922
†Drillia citria Olsson 1922
†Drillia coccos Olsson 1922
†Drillia cocosina Olsson 1922
†Drillia consors Sowerby 1850
†Drillia cristobali Olsson 1922
†Drillia limonensis Olsson 1922
†Drillia limonica Olsson 1922
†Drillia lithocolletoides Olsson 1922
†Drillia moensis Gabb 1881
†Drillia musa Olsson 1922
†Drillia theobroma Olsson 1922
†Drillia venusta Sowerby 1850
G. Fasciolaria Lamarck 1799 [tulip snail]
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†Fasciolaria gorgasiana Brown and Pilsbry 1913
Fasciolaria tulipa Linnaeus 1758
G. Latirus Monfort 1810
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Latirus infundibulum Gmelin 1791
†Latirus irazu Olsson 1922
†Latirus taurus Olsson 1922
G. Marginella Lamarck 1799
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Marginella avena Kiener 1834
†Marginella leander Brown and Pilsbry 1911
†Marginella macdonaldi Dall 1912
†Marginella mindiensis Cossmann 1913
†Marginella musacina Olsson 1922
G. Metula Adams and Adams 1853
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†Metula cancellata Gabb 1873
†Metula gabbi Brown and Pilsbry 1911
G. Mitra Lamarck 1798
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†Mitra dariensis Brown and Pilsbry 1911
†Mitra longa Gabb 1873
†Mitra poas Olsson 1922
†Mitra rudis Gabb 1873
G. Northia Gray 1847
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G. Oliva Bruguière 1789
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†Oliva brevispira Gabb 1873
†Oliva cylindrica Sowerby 1850
†Oliva gatunensis Toula 1908
G. Olivella Swainson 1831
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†Olivella boussaci Olsson 1922
†Olivella goliath Olsson 1922
†Olivella muticoides Gabb 1873
G. Peristernia Mörch 1852
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†Peristernia insula Olsson 1922
†Peristernia tortugera Olsson 1922
G. Phos Monfort 1810
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†Phos beteyensis Olsson 1922
†Phos estrellensis Olsson 1922
†Phos gatunensis Toula 1909
†Phos metuloides Dall 1896
†Phos mexicanus Bose 1906
†Phos subsemicostatus Brown and Pilsbry 1911
G. †Solenosteira Dall 1890
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†Solenosteira chiriquiensis Olsson 1922
†Solenosteira dalli Brown and Pilsbry 1911
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Invalid names: Coralliophila gatunensis Toula 1911 [synonym]
G. Strombina Mörch 1852
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†Strombina ambigua Guppy 1866
†Strombina cricamola Olsson 1922
†Strombina lessepsiana Brown and Pilsbry 1911
†Strombina matima Olsson 1922
G. Terebra Bruguière 1789
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†Terebra berlinerae Maury 1917
†Terebra bipartita Sowerby 1849
†Terebra costaricensis Olsson 1922
†Terebra estrellana Olsson 1922
†Terebra gatunensis Toula 1908
†Terebra gausapata Brown and Pilsbry 1911
†Terebra haitensis Dall 1895
†Terebra pumbriensis Olsson 1922
†Terebra subsulcifera Brown and Pilsbry 1911
†Terebra wolfgangi Toula 1909
G. Turricula Schumacher 1817
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†Turricula taurina Olsson 1922
†Turricula terryi Olsson 1922
Cl. Bivalvia Linnaeus 1758 [clam]
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G. Nucula Lamarck 1799
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†Nucula orbicella Olsson 1922
†Nucula tenuisculpta Gabb 1873
G. Arca Linnaeus 1758 [ark]
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†Arca hindsi Olsson 1922
†Arca occidentalis Philippi 1847
Arca umbonata Lamarck 1819
G. Glycymeris Da Costa 1778
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†Glycymeris canalis Brown and Pilsbry 1911
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Invalid names: Glycymeris trilobicostata Pilsbry and Brown 1917 [synonym]
†Glycymeris carbasina Brown and Pilsbry 1911
Glycymeris castaneus Lamarck 1819
Glycymeris decussatus Linnaeus 1758
Glycymeris jamaicensis Dall 1898
†Glycymeris lloydsmithi Brown and Pilsbry 1917
G. Pecten Müller 1776
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†Pecten aotus Olsson 1922
†Pecten coralliphila Olsson 1922
†Pecten gatunensis Toula 1909
†Pecten macdonaldi Olsson 1922
†Pecten oligolepis Brown and Pilsbry 1913
G. Spondylus Linnaeus 1758
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†Spondylus chiriquiensis Olsson 1922
†Spondylus gumanomocon Brown and Pilsbry 1913
G. Antigona Schumacher 1817
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†Antigona blandiana Guppy 1873
†Antigona harrisiana Olsson 1922
Antigona multicostata Sowerby 1835
†Antigona rugosa Gmelin 1792
†Antigona tarquina Dall 1900
G. Chione von Mühlfield 1811
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†Chione costaricensis Olsson 1922
Chione grus Holmes 1858
†Chione holocyma Brown and Pilsbry 1911
†Chione hotelensis Olsson 1922
†Chione mactropsis Conrad 1855
†Chione rowleei Olsson 1922
†Chione ulocyma Dall 1895
G. Cyclinella Dall 1902
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G. Gafrarium Ršding 1798
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†Gafrarium altum Dall 1903
†Gafrarium limonensis Olsson 1922
G. Mulinia Gray 1837
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Subg. Phacoides (Parvilucina) Dall 1901
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†Phacoides (Parvilucina) actinus Dall 1903
G. Semele Schumacher 1817
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†Semele claytoni Maury 1917
Semele laevis Sowerby 1833
†Semele sayi Toula 1909
G. Strigilla Turton 1822
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†Strigilla musanica Olsson 1922
Strigilla pisiformis Linnaeus 1758
G. Tellina Linnaeus 1758
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†Tellina cercadica Maury 1917
†Tellina costaricana Olsson 1922
†Tellina dariena Conrad 1855
†Tellina lepidota Dall 1900
†Tellina rovala Olsson 1922
G. Corbula Bruguière 1789
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Corbula dietziana Adams 1852
†Corbula oropendula Olsson 1922
†Corbula orosi Olsson 1922
†Corbula vieta Guppy 1866
†Corbula viminea Guppy 1866
G. Amusium Röding 1798
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†Amusium bocasense Olsson 1922
†Amusium luna Brown and Pilsbry 1913
G. Leda Schumacher 1817
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†Leda balboae Brown and Pilsbry 1911
†Leda davilae Olsson 1922
G. Pitaria Roemer 1857
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†Pitaria boucaryensis Olsson 1922
Pitaria circinata Born 1778
†Pitaria guppyana Gabb 1881
G. Echinochama Fischer 1887
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†Echinochama antiquata Guppy 1866
†Echinochama yaquensis Maury 1917
Subg. Arca (Scapharca) Gray 1847
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†Arca (Scapharca) actinophora Dall 1898
Arca (Scapharca) auriculata Lamarck 1819
†Arca (Scapharca) costaricensis Olsson 1922
†Arca (Scapharca) dariensis Brown and Pilsbry 1911
†Arca (Scapharca) golfoyaquensis Maury 1917
†Arca (Scapharca) henekeni Maury 1917
†Arca (Scapharca) honensis Olsson 1922
Subg. Crassatellites (Crassinella) Guppy 1874
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†Crassatellites (Crassinella) bowdenensis Dall 1903
†Crassatellites (Crassinella) midiensis Olsson 1922
Subg. Cardium (Trachycardium) Mörch 1853
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†Cardium (Trachycardium) dominicense Gabb 1873
†Cardium (Trachycardium) stiriatum Brown and Pilsbry 1911
Subg. Venericardia (Pleuromeris) Conrad 1867
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†Venericardia (Pleuromeris) conradiana Gabb 1881
Subg. Tellina (Arcopagia) Leach 1827
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Tellina (Arcopagia) crystallina Spengler 1798
Subg. Pecten (Aequipecten) Fischer 1886 [scallop]
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†Pecten (Aequipecten) preglyptus Olsson 1922
Subg. †Mactra (Mactrella) Gray
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Mactra (Mactrella) alata Spengler 1802
Mactra (Mactrella) exoleta Garay 1837
Subg. Dentalium (Fissidentalium) Fischer 1885
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†Dentalium (Fissidentalium) uscarianum Olsson 1922
Subg. Cardium (Laevicardium) Swainson 1840
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†Cardium (Laevicardium) serratum Linnaeus 1758
Subg. Macoma (Psammacoma) Dall 1900
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†Macoma (Psammacoma) gatunensis Toula 1909
†Macoma (Psammacoma) panamensis Dall 1900
Subg. Phacoides (Lucinisca) Dall 1901
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†Phacoides (Lucinisca) costaricensis Olsson 1922
Subg. Conus (Chelyconus) Mörch 1852
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†Conus (Chelyconus) tortuosostriatus Toula 1911
Subg. Acteocina (Cylichnella) Gabb 1873
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†Acteocina (Cylichnella) triticumtritonis Maury 1917
Subg. Murex (Phyllonotus) Swainson 1830
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Murex (Phyllonotus) cornurectus Guppy 1876
G. †Psammosolen Risso 1826
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Subg. Cardium (Papyridea) Swainson 1840
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Cardium (Papyridea) spinosum Meuschen 1787
Subg. Leda (Adrana) Adams and Adams 1858
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†Leda (Adrana) dalliana Olsson 1922
†Leda (Adrana) ensinoides Olsson 1922
†Leda (Adrana) quitanensis Olsson 1922
†Psammacoma gatunensis Toula 1909
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†Psammacoma gatunensis costaricensis Olsson 1922
Subg. Thracia (Cyathodonta) Conrad 1849
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†Thracia (Cyathodonta) tristani Olsson 1922
†Solenosteira vaughani Dall 1903
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†Solenosteira vaughani medioamericana Olsson 1922