Bivalvia - Pholadida - Pholadidae
Parent taxon: Pholadidae according to J. G. Carter et al. 2011
See also Abbott 1974, Beu 2006, Bouchet et al. 2010, Freneix et al. 1988, Kennedy 1993, Vokes 1980 and Woodring 1982
Sister taxa: Cyrtopleura, Dactylina, Diplothyra, Jouannetiinae, Lignopholas, Martesia, Martesinae, Opertochasma, Pholadinae, Teredina, Xylophaginae, Zirphaea
Subtaxa: Aspidopholas Chaceia Formosulus Goniochasma Heteropholas Parapholas Penitella Pholadidea Ramsetia Xylophomya
Ecology: stationary boring suspension feeder
Distribution:
• Quaternary of Mexico (4 collections), United States (33: California)
• Pliocene to Pleistocene of United States (1: Oregon)
• Pliocene of the Russian Federation (1), the United Kingdom (1), United States (5: Alaska, California, Oregon)
• Miocene of Algeria (1), Argentina (6), Chile (2), Egypt (1), Japan (2), the Russian Federation (6), United States (3: Alaska, California)
• Oligocene to Miocene of Argentina (1)
• Oligocene of Argentina (2), Denmark (1), Japan (1), United States (2: California)
• Eocene of Argentina (1), Ukraine (1), United States (2: California, New Jersey)
• Paleocene of France (1), New Zealand (1)
• Cretaceous of Canada (2: Saskatchewan), the United Kingdom (1), United States (8: Maryland, Minnesota, Missouri, North Carolina, Texas)
Total: 90 collections including 98 occurrences