Actinopteria alpha Caster, 1930 † (status source)
Actinopteria auriculata J. Hall, 1884 † (status source)
Actinopteria beta Caster, 1930 † (status source)
Actinopteria boydi [sic] † accepted as Actinopteria boydii (Conrad, 1842) † (basis of record)
Actinopteria boydii (Conrad, 1842) † (basis of record)
Actinopteria delta J. Hall, 1883 † (status source)
Actinopteria epsilon J. Hall, 1883 † (additional source)
Actinopteria eta J. Hall, 1884 † (status source)
Actinopteria iota J. Hall, 1884 † (status source)
Actinopteria kappa J. Hall, 1884 † (status source)
Actinopteria perstrialis J. Hall, 1883 † (status source)
Actinopteria sola J. M. Clarke, 1904 † (status source)
Actinopteria subdecussata J. Hall, 1883 † accepted as Actinopteria boydii (Conrad, 1842) † (source of synonymy)
Actinopteria tenuistriata J. Hall, 1884 † (status source)
Actinopteria theta J. Hall, 1884 † (status source)
Actinopteria zeta J. Hall, 1883 † (status source)
Avicula angustirostra Conrad, 1842 † accepted as Actinopteria boydii (Conrad, 1842) † (source of synonymy)
Avicula longispina J. Hall, 1843 † accepted as Leptodesma spinigerum (Conrad, 1842) † (source of synonymy)
Avicula perobliqua Conrad, 1842 † accepted as Actinopteria boydii (Conrad, 1842) † (source of synonymy)
Avicula pleuroptera Conrad, 1842 † accepted as Actinopteria boydii (Conrad, 1842) † (source of synonymy)
Avicula protexta Conrad, 1842 † accepted as Leptodesma spinigerum (Conrad, 1842) † (source of synonymy)
Avicula quadrula Conrad, 1842 † accepted as Actinopteria boydii (Conrad, 1842) † (source of synonymy)
Aviculopecten aequalata G. B. Simpson, 1890 † (status source)
Aviculopecten aequilateralis J. Hall, 1884 † (additional source)
Aviculopecten cancellatus (J. Hall, 1843) † (status source)
Aviculopecten celsus J. Hall, 1884 † (additional source)
Aviculopecten convexus (J. Hall, 1843) † (status source)
Aviculopecten dolabriformis (J. Hall, 1843) † (status source)
Aviculopecten duplicatus (J. Hall, 1843) † (status source)
Aviculopecten ellipticus J. Hall, 1883 † (additional source)
Aviculopecten formio J. Hall, 1883 † (additional source)
Aviculopecten idas J. Hall, 1883 † (additional source)
Aviculopecten itys J. Hall, 1883 † (status source)
Aviculopecten orestes J. Hall, 1883 † accepted as Pseudaviculopecten fasciculatus (J. Hall, 1883) † (source of synonymy)
Aviculopecten patulus J. Hall, 1883 † (additional source)
Aviculopecten phorcus J. Hall, 1883 † (additional source)
Aviculopecten plenus J. Hall, 1883 † accepted as Pseudaviculopecten striatus (J. Hall, 1843) † (source of synonymy)
Aviculopecten repletus J. Hall, 1883 † accepted as Pseudaviculopecten fasciculatus (J. Hall, 1883) † (source of synonymy)
Aviculopecten rugaestriatus (J. Hall, 1843) † (status source)
Aviculopecten signatus (J. Hall, 1843) † (status source)
Aviculopecten squama J. Hall, 1883 † (status source)
Cardiomorpha rotunda J. Hall, 1883 † accepted as Eoschizodus chemungensis (Conrad, 1842) † (source of synonymy)
Cimitaria angulata J. Hall, 1885 † (additional source)
Cornellites chemungensis (Conrad, 1842) † (basis of record)
Cypricardella bellastriata (Conrad, 1842) † accepted as Eodon bellastriatus (Conrad, 1842) † (additional source)
Cypricardella complanata (J. Hall, 1869) † (basis of record)
Cypricardella gregaria (J. Hall & Whitfield, 1869) † (additional source)
Cypricardella tenuistriata (J. Hall, 1869) † (basis of record)
Cypricardinia arcuata J. Hall, 1885 † (status source)
Cypricardinia larocquei McAlester, 1962 † (original description)
Cypricardinia sulciferus (Winchell, 1863) † (additional source)
Cypricardites alta Conrad, 1841 † accepted as Modiomorpha mytiloides (Conrad, 1841) † (source of synonymy)
Cypricardites carinata Conrad, 1841 † (status source)
Cytherodon (Schizodus) gregarius J. Hall, 1883 † accepted as Eoschizodus chemungensis (Conrad, 1842) † (source of synonymy)
Cytherodon (Schizodus) quadrangularis J. Hall, 1883 † accepted as Eoschizodus chemungensis (Conrad, 1842) † (status source)
Edmondia rhomboidea J. Hall, 1883 † accepted as Edmondia philipii J. Hall & Whitfield, 1870 † (source of synonymy)
Edmondia subovata J. Hall, 1885 † accepted as Edmondia philipii J. Hall & Whitfield, 1870 † (source of synonymy)
Edmondia transversa J. Hall, 1885 † accepted as Edmondia philipii J. Hall & Whitfield, 1870 † (source of synonymy)
Edmondia tumidula J. Hall, 1885 † accepted as Edmondia philipii J. Hall & Whitfield, 1870 † (source of synonymy)
Eodon J. Hall, 1877 † (source of synonymy)
Eoschizodus chemungensis (Conrad, 1842) † (basis of record)
Glossites depressus J. Hall, 1885 † (additional source)
Glossites ellipticus J. Hall, 1885 † accepted as Glossites depressus J. Hall, 1885 † (source of synonymy)
Glossites lingualis J. Hall, 1885 † (status source)
Goniophora cayutensis McAlester, 1962 † (original description)
Goniophora chemungensis (Vanuxem, 1842) † (basis of record)
Goniophora subrecta J. Hall, 1885 † (source of synonymy)
Goniophora trigona J. Hall, 1885 † accepted as Goniophora chemungensis (Vanuxem, 1842) † (source of synonymy)
Grammatodon (Cosmetodon) chemungensis (J. Hall & Whitfield, 1869) † accepted as Parallelodon chemungensis (J. Hall & Whitfield, 1869) † (basis of record)
Grammysia chemungensis W. H. Pitt, 1874 † accepted as Grammysia elliptica J. Hall & Whitfield, 1869 † (source of synonymy)
Grammysia circularis J. Hall, 1869 † (basis of record)
Grammysia dubia C. L. Fenton & M. A. Fenton, 1924 † (additional source)
Grammysia elliptica J. Hall & Whitfield, 1869 † (basis of record)
Grammysia erecta J. Hall, 1869 † (basis of record)
Grammysia hamiltonensis Verneuil, 1847 † accepted as Grammysia bisulcata (Conrad, 1838) † (source of synonymy)
Grammysia lirata J. Hall, 1869 † (additional source)
Grammysia magna J. Hall, 1869 † (basis of record)
Grammysia nodosocostata J. Hall, 1869 † (basis of record)
Grammysioidea H. S. Williams & Breger, 1916 † (additional source)
Grammysioidea alveata (Conrad, 1841) † (basis of record)
Grammysioidea arcuata (Conrad, 1841) † (basis of record)
Grammysioidea communis (J. Hall, 1885) † (basis of record)
Grammysioidea duplicata (J. Hall, 1885) † (basis of record)
Grammysioidea hannibalensis (Shumard, 1855) † (basis of record)
Grammysioidea minor (Walcott, 1884) † (basis of record)
Grammysioidea plena (J. Hall, 1885) † (basis of record)
Grammysioidea subarcuata (J. Hall & Whitfield, 1869) † (basis of record)
Grammysioidea undata (J. Hall, 1883) † (basis of record)
Leda (Nuculana) perstriata J. Hall, 1883 † accepted as Phestia rostellata (Conrad, 1841) † (source of synonymy)
Leiopteria cornelli Caster, 1930 † accepted as Leptodesma (Leiopteria) cornelli (Caster, 1930) † represented as Leptodesma cornelli (Caster, 1930) † (additional source)
Leiopteria nitida J. Hall, 1883 † accepted as Leptodesma (Leiopteria) nitida (J. Hall, 1883) † represented as Leptodesma nitida (J. Hall, 1883) † (additional source)
Leiopteria torreyi J. Hall, 1884 † accepted as Leptodesma (Leiopteria) torreyi (J. Hall, 1884) † represented as Leptodesma torreyi (J. Hall, 1884) † (additional source)
Leptodesma agassizi J. Hall, 1884 † accepted as Leptodesma spinigerum (Conrad, 1842) † (source of synonymy)
Leptodesma becki J. Hall, 1883 † accepted as Leptodesma spinigerum (Conrad, 1842) † (source of synonymy)
Leptodesma carinifera Caster, 1930 † (additional source)
Leptodesma creon J. Hall, 1884 † accepted as Leptodesma spinigerum (Conrad, 1842) † (source of synonymy)
Leptodesma demus J. Hall, 1884 † accepted as Leptodesma spinigerum (Conrad, 1842) † (source of synonymy)
Leptodesma elongatum J. M. Clarke & Swartz, 1913 † (additional source)
Leptodesma eolus Kindle, 1909 † (additional source)
Leptodesma flaccidum J. Hall, 1884 † accepted as Leptodesma spinigerum (Conrad, 1842) † (source of synonymy)

New York for Aviculopecten plenus J. Hall, 1883 † 
New York for Cardiomorpha rotunda J. Hall, 1883 † 
New York for Cypricardinia arcuata J. Hall, 1885 † 
New York for Cytherodon (Schizodus) quadrangularis J. Hall, 1883 † 
New York for Grammysia subarcuata J. Hall & Whitfield, 1869 † 
New York for Lyriopecten anomiaeformis J. Hall, 1883 † 
New York for Macrodon chemungensis J. Hall & Whitfield, 1869 † 
New York for Palaeoneilo bisulcata J. Hall & Whitfield, 1869 † 
New York for Pterinea (Vertumnia) reversa J. Hall, 1883 † 
New York for Pterinea (Vertumnia) reversa var. avis J. Hall, 1883 † 
New York for Pterinopecten atticus H. S. Williams, 1887 † 
New York for Ptychopteria mesocostalis H. S. Williams, 1887 † 
Pennsylvania for Cypricardinia larocquei McAlester, 1962 † 
Pennsylvania for Goniophora cayutensis McAlester, 1962 † 
Pennsylvania for Myalina newelli McAlester, 1962 † 
Pennsylvania for Pseudaviculopecten bradfordensis McAlester, 1962 † 
Pennsylvania for Sphenotus tiogensis McAlester, 1962 † 

 Homonymy

 for Nucula subtrigona G. B. Simpson, 1890 †

Invalid: junior homonym of Nucula subtrigona Münster, 1841, nec Conrad, 1847 [details]

 Status

 for Goniophora subrecta J. Hall, 1885 †

Considered a potential synonym of Goniophora chemungensis (Vanuxem, 1842), but treated as valid taxon by Pojeta et ... [details]

 Status

 for Schizodus appressus (Conrad, 1842) †

Listed as potential synonym of Eoschizodus? chemungensis (Conrad, 1942), but used as valid by Pojeta et al. (1986). [details]