Acanthopecten elegantulus (Stuckenberg, 1898) † (additional source)
Annuliconcha Newell, 1938 † (original description)
Annuliconcha interlineata (Meek & Worthen, 1861) † (basis of record)
Clavicosta Newell, 1938 † (original description)
Clavicosta echinata Newell, 1938 † (original description)
Deltopecten Etheridge, 1892 † (basis of record)
Deltopecten occidentalis (Shumard, 1855) † accepted as Aviculopecten occidentalis (Shumard, 1855) † (additional source)
Dunbarella Newell, 1938 † (original description)
Euchondria Meek, 1874 † (basis of record)
Euchondria neglecta (Geinitz, 1866) † (basis of record)
Euchondriidae Newell, 1938 † (original description)
Fasciculiconcha Newell, 1938 † (original description)
Fasciculiconcha knighti Newell, 1938 † (original description)
Girtypecten Newell, 1938 † (original description)
Girtypecten sublaqueatus (Girty, 1909) † (basis of record)
Limipecten texanus Girty, 1904 † (additional source)
Lyriopecten J. Hall, 1877 † (additional source)
Lyriopecten orbiculatus (J. Hall, 1843) † (additional source)
Pernopecten Winchell, 1865 † (additional source)
Pernopecten attenuatus (Herrick, 1887) † (basis of record)
Pernopecten clypeatus Newell, 1938 † (original description)
Pernopecten concentricum (Hind, 1903) † (basis of record)
Pernopecten obliquus Girty, 1909 † (basis of record)
Pernopecten ohioensis Newell, 1938 † (original description)
Pernopecten sowerbii (F. McCoy, 1844) † (basis of record)
Pernopecten sowerbyi [sic] † accepted as Pernopecten sowerbii (F. McCoy, 1844) † (basis of record)
Pernopecten tenue (De Koninck, 1885) † (basis of record)
Pernopectinidae Newell, 1938 † (original description)
Pseudaviculopecten Newell, 1938 † (original description)
Pseudaviculopecten princeps (Conrad, 1838) † (basis of record)
Pseudomonotinae Newell, 1938 † accepted as Pseudomonotidae Newell, 1938 † (original description)
Pterinopectinella Newell, 1938 † (original description)
Pterinopectinella welleri Newell, 1938 † (original description)
Pterinopectinidae Newell, 1938 † (original description)
Pterinopectinoidea Newell, 1938 † (original description)
Streblochondria Newell, 1938 † (original description)
Streblochondriidae Newell, 1938 † (original description)

Illinois for Pernopecten ohioensis Newell, 1938 † 
Iowa for Pernopecten clypeatus Newell, 1938 † 
Kansas for Fasciculiconcha knighti Newell, 1938 † 
Kansas for Pernopecten clypeatus Newell, 1938 † 
Kansas for Pterinopectinella welleri Newell, 1938 † 
Missouri for Pernopecten ohioensis Newell, 1938 † 
Nebraska for Pecten neglectus Geinitz, 1866 † 
Nebraska for Pernopecten clypeatus Newell, 1938 † 
Ohio for Entolium attenuatum Herrick, 1887 † 
Ohio for Pernopecten ohioensis Newell, 1938 † 
Oklahoma for Pernopecten ohioensis Newell, 1938 † 
Texas for Aviculopecten sublaqueatus Girty, 1909 †