Bivalvia - Cardiida - Veneridae
Parent taxon: Pitar according to B. L. Clark and C. A. Anderson 1938
See also Durham 1944, Rivera 1957, Squires 1984, Squires 1987, Squires 1988 and Squires and Demetrion 1992
Sister taxa: Meretrix (Pitar) dalikiensis, Meretrix (Pitar) elliptica, Pitar (Calpitaria), Pitar (Chionella), Pitar (Cordiopsis), Pitar (Costellipitar), Pitar (Hyphantosoma), Pitar (Meisenia), Pitar (Nanopitar), Pitar (Omnivenus), Pitar (Paradione), Pitar (Pitar), Pitar (Pitar) nuttali, Pitar (Pitarenus), Pitar (Pitarina), Pitar addicotti, Pitar albidus, Pitar barbarensis, Pitar baylii, Pitar cedroensis, Pitar colchaguana, Pitar cordatus, Pitar diabloensis, Pitar hataii, Pitar kotoi, Pitar mancorensis, Pitar morrhuanus, Pitar murphyi, Pitar ozakii, Pitar palmeri, Pitar parisiensis, Pitar petropolitanus, Pitar porrecta, Pitar quadratus, Pitar rostratus, Pitar salanga, Pitar sciaena, Pitar securiformis, Pitar simpsoni, Pitar sorachiensis, Pitar stocki, Pitar subarestus, Pitar transversus, Pitar uvasana, Pitar vancouverensis, Cytherea (Caryatis) pratti
Subtaxa: Pitar (Lamelliconcha) avenalensis Pitar (Lamelliconcha) crooki Pitar (Lamelliconcha) joaquinensis Pitar (Lamelliconcha) nomlandi Pitar (Lamelliconcha) vertumni
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Pliocene of Costa Rica (1 collection), Trinidad and Tobago (10)
• Miocene of Brazil (7), Ecuador (1), Trinidad and Tobago (8), Venezuela (1)
• Oligocene of United States (2: Mississippi)
• Eocene of Colombia (2), Mexico (1), United States (26: Alaska, California, Georgia, Washington)
• Cretaceous of United States (2: Texas)
Total: 61 collections including 70 occurrences