Subgenus (Pitarenus) H. A. Rehder & R. T. Abbott, 1951

(3-4-4-0-26-7-11-77-14-0-0-0-0)
Ref. Abbott, 1974 p 531
Vaught, 1989 p 136
[see also as Genus]

cordatus (J. S. Schwengel, 1951) [T]
(3-4-4-0-26-7-11-77-14-1- 0-0-0)
Schwengel Pitar, Schwengel's Venus
Ref. Abbott, 1974 p 531 c
Abbott & Dance, 1982 p 356 c
Amer. Fish. Soc., 1988 p 44