Bivalvia - Venerida - Veneridae
Parent taxon: Pitar according to B. L. Clark and C. A. Anderson 1938
See also Durham 1944, Hickman 2015, Maury 1912, Mukerjee 1939, Olsson 1931, Rivera 1957, Sepkoski 2002, Squires 1984, Squires 1987, Squires 1988, Squires and Demetrion 1992, Todd 2001 and Woodring 1982
Sister taxa: Meretrix (Pitar) dalikiensis, Meretrix (Pitar) elliptica, Pitar (Calpitaria), Pitar (Chionella), 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 behri, 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 simiensis, Pitar simpsoni, Pitar sinedepressa, Pitar sorachiensis, Pitar stocki, Pitar subarestus, Pitar transversus, Pitar uvasana, Pitar vancouverensis, Pitar vulnerata, 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