Classification of Chiesa et al. 1995

G. †Ortmannia Schrammen 1924
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†Ortmannia ortmanni Chiesa et al. 1995
Or. Scleractinia Bourne 1900 [stony coral]
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Subor. Caryophylliina Vaughan and Wells 1943
G. Polinices Monfort 1810 [moon snail]
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†Polinices chiloensis Philippi 1887
G. Nucula Lamarck 1799
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Subg. Nucula (Leionucula) Quenstedt 1930
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G. Anadara Gray 1847 [ark]
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†Anadara panensis Ihering 1914
G. Cucullaea Lamarck 1801
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†Cucullaea marshalli Zinsmeister 1981
G. Pinna Linnaeus 1758
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†Pinna robusta Chiesa et al. 1995
G. Chlamys Röding 1798
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†Chlamys praenuncius Ihering 1897
Cl. †Articulata Huxley 1869
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Or. Rhynchonellida Kuhn 1949
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Fm. Basiliolidae Cooper 1959
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Subfm. †Aetheiinae Cooper 1959
Fm. Hemithyrididae Rzhosnitskaya 1956
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G. †Plicirhynchia Allan 1947
Or. †Terebratulida Waagen 1883
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Fm. Terebratellidae King 1850
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Subfm. Terebratellinae King 1850
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G. Terebratella d'Orbigny 1847
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†Terebratella patagonica Sowerby 1846
Invalid names: Neothyridinae Allan 1940 [empty]
G. †Iheringithyris Levy 1961
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†Iheringithyris ameghinoi Ihering 1903
Cl. Echinoidea Leske 1778 [sea urchin]
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Or. Echinoida Troschel 1872
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Fm. Echinidae Gray 1825
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G. †Isechinus Lambert 1903
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†Isechinus praecursor Ortmann 1900
Or. Clypeasteroida Agassiz 1836 [sand dollar]
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Fm. †Monophorasteridae Lahille 1896
G. †Iheringiella Berg 1898
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Or. Cassiduloida Agassiz and Desor 1847
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Fm. †Faujasiidae Lambert 1905
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G. †Platipygus de Loriol 1902
Or. Spatangoida Agassiz 1840 [heart urchin]
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Fm. Schizasteridae Lambert 1905
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G. Brisaster Gray 1855
Superfm. Acteonacea d'Orbigny 1835
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Fm. Acteonidae d'Orbigny 1835
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G. Acteon Montfort 1810
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†Acteon bajoensis Chiesa et al. 1995
Superfm. Buccinacea Rafinesque 1815
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Fm. Buccinidae Rafinesque 1815 [true whelk]
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G. †Pseudofax Finlay and Marwick 1937
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†Pseudofax solitaria Chiesa et al. 1995
Superfm. Cardiacea Lamarck 1809
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Fm. †Lahillidae Finlay and Marwick 1937
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G. †Lahillia Cossmann 1899
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†Lahillia angulata Philippi 1887
†Lahillia patagonica Ihering 1907
Fm. Cardiidae Lamarck 1809 [cockle]
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Subfm. Cardiinae Lamarck 1809
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G. †Loxocardium Cossmann 1886
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†Loxocardium puelchum Sowerby 1846
Fm. Carditidae Fleming 1820
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Invalid names: Venericardinae Chavan 1969 [empty]
Fm. Hiatellidae Gray 1824
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G. Panopea Menard 1807
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†Panopea ibari Philippi 1887
†Panopea thomasi Ihering 1914
Fm. Lucinidae Fleming 1828
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Subfm. Lucininae Fleming 1828
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G. Lucina Bruguière 1797
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†Lucina neglecta Ortmann 1902
Superfm. †Muricacea de Costa 1776
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Fm. Muricidae Rafinesque 1815 [murex snail]
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G. Purpura Bruguière 1789
Subfm. Trophoninae Cossmann 1903
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G. Trophon Montfort 1810
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†Trophon patagonicus Sowerby 1846
Subfm. †Odontocymbiolinae Clench 1964
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G. †Ortmannia Chiesa et al. 1995
Fm. Ostreidae Rafinesque 1815 [oyster]
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G. Crassostrea Sacco 1897
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†Crassostrea hatcheri Ihering 1899
Fm. Pectinidae Wilkes 1810 [scallop]
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G. Zygochlamys Ihering 1907
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†Zygochlamys jorgensis Ihering 1907
Superfm. †Pteriacea Gray 1847
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Fm. Isognomonidae Woodring 1925
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G. Isognomon Lightfoot 1786
Subfm. Venericardiinae Chavan 1969
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G. Venericardia Lamarck 1801
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†Venericardia imbricata Lamarck 1801
Fm. Veneridae Rafinesque 1815 [venus clam]
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Subfm. Tapetinae Gray 1851
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G. Eurhomalea Cossmann 1920
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†Eurhomalea difficilis Ortmann 1899
Fm. Volutidae Rafinesque 1815 [volute]
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Subfm. Volutinae Rafinesque 1815
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G. †Proscaphella Ihering 1907
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†Proscaphella santacrucensis Chiesa et al. 1995
Fm. Flabellidae Bourne 1905
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G. Flabellum Lesson 1831
Subfm. Aethiinae Verheyen 1958
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G. †Patagorhynchia Allan 1938
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†Patagorhynchia patagonica Ihering 1903
Subg. †Ficus (Diconoficus) Covacevich and Frassinnetti 1983
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†Ficus (Diconoficus) posadasensis Chiesa et al. 1995
Superfm. Tonnacea Suter 1913
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Fm. Ficidae Meek 1864 [fig shell]
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G. Ficus Röding 1798