†subfamily Laevitrigoniinae Saveliev 1958 (clam)
Bivalvia - Trigoniida - Myophorelloidae
Parent taxon: Laevitrigoniidae according to J. G. Carter et al. 2011
See also Bouchet et al. 2010 and Fleming 1987
Sister taxon: Frenguelliellinae
Subtaxa: Laevitrigonia
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Cretaceous of Antarctica (10 collections), Argentina (1), India (1), New Zealand (1), Peru (1), Spain (1)
• Jurassic of New Zealand (1), Somalia (1), Tanzania (1), the United Kingdom (3)
Total: 21 collections each including a single occurrence