Actinopteria auriculata J. Hall, 1884 † (status source)
Actinopteria boydii (Conrad, 1842) † (basis of record)
Actinopteria epsilon J. Hall, 1883 † (additional source)
Avicula longispina J. Hall, 1843 † accepted as Leptodesma spinigerum (Conrad, 1842) † (source of synonymy)
Avicula protexta Conrad, 1842 † accepted as Leptodesma spinigerum (Conrad, 1842) † (source of synonymy)
Aviculopecten aequalata G. B. Simpson, 1890 † (status source)
Aviculopecten aequilateralis J. Hall, 1884 † (additional source)
Aviculopecten celsus J. Hall, 1884 † (additional 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 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 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 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)
Cytherodon (Schizodus) quadrangularis J. Hall, 1883 † accepted as Eoschizodus chemungensis (Conrad, 1842) † (status source)
Edmondia subovata 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)
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)
Leiopteria cornelli Caster, 1930 † accepted as Leptodesma (Leiopteria) cornelli (Caster, 1930) † represented as Leptodesma cornelli (Caster, 1930) † (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)
Leptodesma leiopteroides G. B. Simpson, 1890 † (additional source)
Leptodesma lesleyi J. Hall, 1884 † accepted as Leptodesma spinigerum (Conrad, 1842) † (source of synonymy)
Leptodesma loxias J. Hall, 1884 † accepted as Leptodesma spinigerum (Conrad, 1842) † (source of synonymy)
Leptodesma medon J. Hall, 1884 † accepted as Leptodesma spinigerum (Conrad, 1842) † (source of synonymy)
Leptodesma naviforme J. Hall, 1883 † (additional source)
Leptodesma parallelum G. B. Simpson, 1890 † (status source)
Leptodesma quadratum J. Hall, 1884 † accepted as Leptodesma spinigerum (Conrad, 1842) † (source of synonymy)
Leptodesma robustum J. Hall, 1883 † accepted as Leptodesma spinigerum (Conrad, 1842) † (source of synonymy)
Leptodesma rogersi J. Hall, 1883 † accepted as Leptodesma spinigerum (Conrad, 1842) † (source of synonymy)
Leptodesma shumardi J. Hall, 1884 † accepted as Leptodesma spinigerum (Conrad, 1842) † (source of synonymy)
Leptodesma spinigerum (Conrad, 1842) † (basis of record)
Leptodesma transversa Walcott, 1884 † (status source)
Liopteria auriculata J. M. Clarke & Swartz, 1913 † accepted as Leptodesma (Leiopteria) auriculata (J. M. Clarke & Swartz, 1913) † represented as Leptodesma auriculata (J. M. Clarke & Swartz, 1913) † (status source)
Liopteria marylandica J. M. Clarke & Swartz, 1913 † (status source)
Lyriopecten alternatus G. B. Simpson, 1890 † (additional source)
Lyriopecten anomiaeformis J. Hall, 1883 † (basis of record)
Lyriopecten fasciatus J. Hall, 1883 † (status source)
Lyriopecten interradiatus J. Hall, 1883 † (basis of record)
Lyriopecten macrodontus J. Hall, 1883 † (source of synonymy)
Lyriopecten magnificus J. Hall, 1883 † (basis of record)
Lyriopecten orbiculatus (J. Hall, 1843) † (additional source)
Lyriopecten polydorus J. Hall, 1883 † (status source)
Lyriopecten priamus J. Hall, 1883 † (status source)
Lyriopecten solox J. Hall, 1883 † (status source)
Lyriopecten tricostatus (Vanuxem, 1842) † (additional source)
Modiomorpha quadrula J. Hall, 1869 † (status source)
Modiomorpha recurva J. Hall, 1883 † (status source)
Modiomorpha rigida J. Hall, 1883 † (status source)
Modiomorpha rigidula G. B. Simpson, 1890 † (status source)
Modiomorpha subalata (Conrad, 1841) † (additional source)
Modiomorpha subalata var. chemungensis J. Hall, 1885 † accepted as Modiomorpha subalata (Conrad, 1841) † (source of synonymy)
Modiomorpha subangulata J. Hall, 1885 † (basis of record)
Modiomorpha tioga J. Hall, 1885 † accepted as Modiomorpha mytiloides (Conrad, 1841) † (source of synonymy)
Myalina newelli McAlester, 1962 † (original description)
Mytilarca attenuata J. Hall & Whitfield, 1869 † accepted as Mytilarca chemungensis (Conrad, 1842) † (source of synonymy)
Mytilarca carinata J. Hall, 1883 † accepted as Mytilarca chemungensis (Conrad, 1842) † (source of synonymy)