Classification of Walcott 1884
G. †Favosites Lamarck 1816
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†Favosites basaltica Goldfuss 1826
†Favosites hemispherica Troost 1840
G. †Syringopora Goldfuss 1826
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†Syringopora hisingeri Billings 1858
†Syringopora perelegans Billings 1859
G. †Hyolithes d'Eichwald 1840
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†Hyolithes primordialis Hall 1861
†Hyolithes vanuxemi Walcott 1884
G. †Bellerophon de Montfort 1808
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†Bellerophon combsi Walcott 1884
†Bellerophon majusculus Walcott 1884
†Bellerophon perplexa Walcott 1884
†Bellerophon textilis Miller 1877
G. †Metoptoma Phillips 1836
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†Metoptoma analoga Walcott 1884
†Metoptoma devonica Walcott 1884
†Metoptoma peroccidens Walcott 1884
†Metoptoma phillipsi Walcott 1884
G. †Straparollus de Montfort 1810
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†Straparollus newarkensis Walcott 1884
†Straparollus newarkensis Walcott 1884
G. †Platyceras Conrad 1840
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†Platyceras conradi Walcott 1884
†Platyceras nodosum Conrad 1841
†Platyceras occidens Walcott 1884
†Platyceras piso Walcott 1884
†Platyceras thetiforme Walcott 1884
†Platyceras undulatum Walcott 1884
G. †Platyschisma M'Coy 1844
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†Platyschisma ambiguum Walcott 1884
†Platyschisma mccoyi Walcott 1884
G. †Pleurotomaria Defrance 1826
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†Pleurotomaria lonensis Walcott 1884
†Pleurotomaria nodomarginata McChesney 1861
G. †Loxonema Phillips 1841
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†Loxonema approximatum Walcott 1884
†Loxonema bella Walcott 1884
†Loxonema eurekensis Walcott 1884
†Loxonema nobile Walcott 1884
†Loxonema subattenuatum Hall 1859
G. †Orthoceras Breynius 1832
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†Orthoceras eurekensis Walcott 1884
†Orthoceras randolphensis Worthen 1882
G. Nucula Lamarck 1799
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†Nucula insularis Walcott 1884
†Nucula levatiforme Walcott 1884
†Nucula rescuensis Walcott 1884
G. †Macrodon Buckman 1882
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†Macrodon hamiltonae Hall 1870
†Macrodon truncatus Walcott 1884
G. Pinna Linnaeus 1758
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†Pinna consimilis Walcott 1884
†Pinna inexpectans Walcott 1884
G. †Aviculopecten M'Coy 1851
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†Aviculopecten affinis Walcott 1884
†Aviculopecten eurekensis Walcott 1884
†Aviculopecten haguei Walcott 1884
†Aviculopecten peroccidens Walcott 1884
†Aviculopecten pintoensis Walcott 1884
G. †Myalina de Koninck 1842
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†Myalina congeneris Walcott 1884
†Myalina nemesis Walcott 1884
†Myalina nessus Walcott 1884
G. †Mytilarca Hall and Whitfield 1869
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†Mytilarca chemungensis Conrad 1842
†Mytilarca dubia Walcott 1884
G. †Pterinea Goldfuss 1832
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†Pterinea flabellum Conrad 1842
†Pterinea newarkensis Walcott 1884
†Pterinea pintoensis Walcott 1884
G. †Pterinopecten Hall 1883
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†Pterinopecten hoosacensis Walcott 1884
†Pterinopecten spio Walcott 1884
G. †Streblopteria McCoy 1851
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†Streblopteria similis Walcott 1884
†Streblopteria siniilis Walcott 1884
G. †Modiolopsis Hall 1847
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†Modiolopsis occidens Walcott 1884
†Modiolopsis pogonipensis Walcott 1884
G. †Modiomorpha Hall and Whitfield 1869
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†Modiomorpha altiforme Walcott 1884
†Modiomorpha ambigua Walcott 1884
†Modiomorpha desiderata Walcott 1884
†Modiomorpha oblonga Walcott 1884
†Modiomorpha obtusa Walcott 1884
†Modiomorpha pintoensis Walcott 1884
G. †Schizodus King 1844
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Subg. †Schizodus (Cytherodon) Hall and Whitfield 1873
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†Schizodus (Cytherodon) orbicularis Walcott 1884
†Schizodus cuneatus Meek 1875
†Schizodus curtiforme Walcott 1884
†Schizodus deparcus Walcott 1884
†Schizodus pintoensis Walcott 1884
G. †Edmondia de Koninck 1841
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†Edmondia circularis Walcott 1884
†Edmondia medon Walcott 1884
G. †Grammysia de Verneuil 1847
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†Grammysia arcuata Conrad 1841
†Grammysia hannibalensis Shumard and Swallow 1858
†Grammysia minor Walcott 1884
G. †Sanguinolites M'Coy 1844
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†Sanguinolites aeolus Hall and Whitfield 1869
†Sanguinolites combensis Walcott 1884
†Sanguinolites gracilis Walcott 1884
†Sanguinolites naenia Walcott 1884
†Sanguinolites retusus Walcott 1884
†Sanguinolites rigidus White and Whitfield 1862
†Sanguinolites salteri Walcott 1884
†Sanguinolites sanduskyensis Meek 1871
†Sanguinolites simplex Walcott 1884
†Sanguinolites striatus Walcott 1884
†Sanguinolites ventricosus White and Whitfield 1862
G. †Olenellus Hall 1861
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†Olenellus asaphoides Emmons 1844
†Olenellus gilberti White 1874
†Olenellus howelli White 1874
†Olenellus iddingsi Walcott 1884
G. †Agnostus Brongniart 1822
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†Agnostus bidens Meek 1873
†Agnostus communis Hall and Whitfield 1877
†Agnostus neon Hall and Whitfield 1877
†Agnostus richmondensis Walcott 1884
†Agnostus seclusus Walcott 1884
G. †Asaphus Brongniart 1822
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†Asaphus caribouensis Walcott 1884
†Asaphus curiosa Billings 1865
G. †Ptychoparia Corda 1847
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Subg. †Ptychoparia (Euloma) Angelin 1854
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†Ptychoparia (Euloma) affinis Walcott 1884
†Ptychoparia (Euloma) dissimilis Walcott 1884
Subg. †Ptychoparia (Pterocephalus) Roemer 1849
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†Ptychoparia (Pterocephalus) laticeps Hall and Whitfield 1877
†Ptychoparia (Pterocephalus) occidens Walcott 1884
Subg. †Ptychoparia (Solenopleura) Angelin 1854
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†Ptychoparia (Solenopleura) breviceps Walcott 1884
†Ptychoparia annectans Walcott 1884
†Ptychoparia anytus Hall and Whitfield 1877
†Ptychoparia granulosus Hall and Whitfield 1877
†Ptychoparia haguei Hall and Whitfield 1877
†Ptychoparia laeviceps Walcott 1884
†Ptychoparia linnarssoni Walcott 1884
†Ptychoparia maculosus Hall and Whitfield 1877
†Ptychoparia nitidus Hall and Whitfield 1877
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Invalid names: Crepicephalus (Loganellus) simulator Hall and Whitfield 1877 [synonym]
†Ptychoparia occidentalis Walcott 1884
†Ptychoparia oweni Meek and Hayden 1861
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Invalid names: Conocoryphe (Ptychoparia) gallatinensis Meek 1873 [synonym], Crepicephalus (Loganellus) centralis Whitfield 1877 [synonym]
†Ptychoparia pernasutus Walcott 1884
†Ptychoparia prospectensis Walcott 1884
†Ptychoparia unisulcatus Hall and Whitfield 1877
G. †Bathyurus Billings 1859
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†Bathyurus congeneris Walcott 1884
†Bathyurus simillimus Walcott 1884
†Bathyurus tuberculatus Walcott 1884
G. †Proetus Steininger 1831
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†Proetus haldemani Hall 1861
†Proetus marginalis Conrad 1839
G. †Leperditia Rouault 1851
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†Leperditia bivia White 1874
†Leperditia rotundata Walcott 1884
G. Lingula Bruguiére 1797
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†Lingula albapinensis Walcott 1884
†Lingula leana Hall 1867
†Lingula lonensis Walcott 1884
†Lingula manticula White 1874
†Lingula whitei Walcott 1884
G. †Lingulepis Hall 1863
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†Lingulepis maera Hall and Whitfield 1877
†Lingulepis minuta Hall and Whitfield 1877
G. †Acrotreta Kutorga 1848
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†Acrotreta gemma Billings 1865
†Acrotreta subconica Kutorga 1848
G. †Kutorgina Billings 1861
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†Kutorgina prospectensis Walcott 1884
†Kutorgina sculptilis Meek 1873
†Kutorgina whitfieldi Walcott 1884
G. †Obolella Billings 1861
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†Obolella ambigua Walcott 1884
†Obolella discoidea Hall and Whitfield 1877
G. †Orthis Dalman 1828
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†Orthis eurekensis Walcott 1884
†Orthis hamburgensis Walcott 1884
†Orthis impressa Hall 1843
†Orthis lonensis Walcott 1884
†Orthis mcfarlanei Meek 1868
†Orthis perveta Conrad 1843
†Orthis testudinaria Dalman 1828
†Orthis tricenaria Conrad 1843
†Orthis tulliensis Vanuxem 1842
G. †Chonetes Fischer de Waldheim 1830
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†Chonetes filistriata Walcott 1884
†Chonetes hemispherica Hall 1857
†Chonetes macrostriata Walcott 1884
†Chonetes mucronata Hall 1843
†Chonetes setigera Hall 1843
G. †Productus
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Subg. †Productus (Productella)
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†Productus (Productella) hallanus Walcott 1884
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Invalid names: Productus dissimilis Hall 1858 [replaced]
†Productus (Productella) lachrymosus Conrad 1842
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†Productus (Productella) lachrymosus lima Conrad 1842
†Productus (Productella) lachrymosus stigmata Hall 1867
†Productus (Productella) navicella Hall 1857
†Productus (Productella) shumardianus Hall 1858
†Productus (Productella) speciosus Hall 1857
†Productus (Productella) subaculeata Murchison 1840
†Productus (Productella) truncatus Hall 1857
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Invalid names: Strophomena pustulosa Hall 1843 [synonym]
†Productus hirsutiforme Walcott 1884
G. †Streptorhynchus King 1850
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†Streptorhynchus chemungensis Conrad 1842
†Streptorhynchus minor Walcott 1884
G. †Strophodonta Hall 1852
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†Strophodonta arcuata Hall 1858
†Strophodonta calvini Miller 1883
†Strophodonta demissa Conrad 1842
†Strophodonta inequiradiata Hall 1857
†Strophodonta patersoni Hall 1857
†Strophodonta perplana Conrad 1839
†Strophodonta punctulifera Conrad 1838
G. †Strophomena Rafinesque and De Blainville 1824
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†Strophomena nemea Hall and Whitfield 1877
†Strophomena rhomboidalis Logan 1863
G. †Pentamerus Sowerby 1813
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†Pentamerus comis Owen 1852
†Pentamerus lotis Walcott 1884
G. †Rhynchonella Fischer 1809
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Subg. †Rhynchonella (Leiorhynchus) Hall 1860
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†Rhynchonella (Leiorhynchus) laura Billings 1860
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Invalid names: Leiorhynchus multicosta Hall 1860 [synonym]
†Rhynchonella (Leiorhynchus) nevadensis Walcott 1884
†Rhynchonella (Leiorhynchus) sinuatus Hall 1867
†Rhynchonella castanea Meek 1868
†Rhynchonella duplicata Hall 1843
†Rhynchonella emmonsi Hall and Whitfield 1877
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Invalid names: Rhynchonella intermedia Barris 1878 [synonym]
†Rhynchonella eurekensis Walcott 1884
†Rhynchonella horsfordi Hall 1860
†Rhynchonella occidens Walcott 1884
†Rhynchonella pugnus Martin 1809
†Rhynchonella tethys Billings 1860
†Rhynchonella thera Walcott 1884
G. †Cyrtina Davidson 1858
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†Cyrtina davidsoni Walcott 1884
†Cyrtina hamiltonensis Hall 1857
G. †Meristella
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G. †Cryptonella
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†Cryptonella circula Walcott 1884
†Cryptonella pinonensis Walcott 1884
G. †Platyostoma Conrad 1842
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†Platyostoma inornatum Walcott 1884
†Platyostoma lineata Conrad 1842
G. †Ogygia Brongniart 1817
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†Ogygia problematica Walcott 1884
†Ogygia spinosa Walcott 1884
G. †Maclurea Le Sueur 1818
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†Maclurea annulata Walcott 1884
†Maclurea carinata Walcott 1884
†Maclurea subannulata Walcott 1884
G. †Discina Lamarck
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†Discina connata Walcott 1884
†Discina lodensis Hall 1843
†Discina minuta Hall 1843
†Discina newberryi Hall 1863
†Discina nitida Phillips 1836
G. †Spirifera Phillips 1836
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Subg. †Spirifera (Martinia) M'Coy 1844
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†Spirifera (Martinia) maia Billings 1860
†Spirifera (Martinia) undifera Roemer 1844
†Spirifera annectans Walcott 1884
†Spirifera desiderata Walcott 1884
†Spirifera disjuncta Sowerby 1840
†Spirifera engelmanni Meek 1860
†Spirifera leidyi Norwood and Pratten 1855
†Spirifera neglecta Hall 1858
†Spirifera parryana Hall 1858
†Spirifera pinonensis Meek 1870
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Invalid names: Spirifer (Trigonotreta) argentarius Meek 1877 [synonym]
†Spirifera raricosta Conrad 1842
†Spirifera trigonalis Martin 1809
†Spirifera varicosa Hall 1857
Subg. †Euomphalus (Straparollus) de Montfort 1810
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†Euomphalus (Straparollus) rugosus Hall 1858
G. †Dicellocephalus Owen 1852
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†Dicellocephalus angustifrons Walcott 1884
†Dicellocephalus bilobatus Hall and Whitfield 1877
†Dicellocephalus expansus Walcott 1884
†Dicellocephalus finalis Walcott 1884
†Dicellocephalus inexpectans Walcott 1884
†Dicellocephalus iole Walcott 1884
†Dicellocephalus marica Walcott 1884
†Dicellocephalus nasutus Walcott 1884
†Dicellocephalus osceola Hall 1863
†Dicellocephalus quadriceps Hall and Whitfield 1877
†Dicellocephalus richmondensis Walcott 1884
G. †Receptaculites Defrance 1827
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†Receptaculites ellipticus Walcott 1884
†Receptaculites elongatus Walcott 1884
†Receptaculites mammillaris Newberry 1880
G. †Tellinomya Hall 1847
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†Tellinomya contracta Salter 1859
†Tellinomya hamburgensis Walcott 1884
G. †Pachyphyllum Milne-Edwards and Haime 1850
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†Pachyphyllum woodmani Hall and Whitfield 1864
G. †Posidonomya Bronn 1835
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†Posidonomya devonica Walcott 1884
†Posidonomya laevis Walcott 1884
Subg. †Microdon (Cypricardella) Hall 1856
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†Microdon (Cypricardella) connatus Walcott 1884
†Microdon (Cypricardella) macrostriatus Walcott 1884