Neithea altana Kniker, 1919 † (original description)
Neithea austinensis Kniker, 1919 † (original description)
Neithea bellula (Cragin, 1893) † (basis of record)
Neithea boesi Kniker, 1919 † (original description)
Neithea budensis Kniker, 1919 † (original description)
Neithea casteeli Kniker, 1919 † (original description)
Neithea duplicicosta (C. F. Roemer, 1849) † (additional source)
Neithea georgetownensis Kniker, 1919 † (original description)
Neithea hartmani Kniker, 1919 † (original description)
Neithea irregularis (Böse, 1910) † (basis of record)
Neithea roemeri (R. T. Hill, 1889) † (basis of record)
Neithea simondsi Kniker, 1919 † (original description)
Neithea subalpina (Böse, 1910) † (basis of record)
Neithea texana (C. F. Roemer, 1852) † (basis of record)
Neithea theodori Kniker, 1919 † (original description)
Neithea whitneyi Kniker, 1919 † (original description)
Pecten bensoni Kniker, 1919 † (original description)
Pecten bonnellensis Kniker, 1919 † (original description)
Pecten manchacensis Kniker, 1919 † (original description)
Pecten siederensis Kniker, 1919 † (original description)