Family Neoleptonidae Thiele 1934 (clam)
Bivalvia - Cardiida - Neoleptonidae
Parent taxon: Cyamioidea according to G. Rosenberg 2005
See also Beu et al. 1990, Bouchet et al. 2010, Coan et al. 2000, Nevesskaja 2009, Newell 1965 and Vokes 1980
Sister taxa: Basterotiidae, Cyamiidae, Galatheavalvidae, Perrierinidae, Sportellidae
Subtaxa: Bernardina Calvitium Neolepton Pachykellia Puyseguria
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Quaternary of Argentina (4 collections), New Zealand (1), United States (9: California)
• Pliocene to Pleistocene of United States (1: California)
• Pliocene of Australia (1)
• Miocene of New Zealand (3)
Total: 19 collections each including a single occurrence