†Pterotrigonia (Pterotrigonia) van Hoepen 1929 (clam)
Bivalvia - Trigoniida - Megatrigonioidae
Parent taxon: Pterotrigonia according to van Hoepen 1929
Sister taxa: Pterotrigonia (Acanthotrigonia), Pterotrigonia (Ptilotrigonia), Pterotrigonia (Rinetrigonia), Pterotrigonia (Scabrotrigonia), Pterotrigonia borgesi, Pterotrigonia cristata, Pterotrigonia ethra, Pterotrigonia evansana, Pterotrigonia klamathonia, Pterotrigonia oregana, Pterotrigonia vaelsiensis, Pisotrigonia salebrosa, Rinetrigonia ventricosa
Subtaxa: none
Type: Pterotrigonia cristata
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Cretaceous of Antarctica (1 collection), Japan (35), South Africa (1)
• Jurassic to Cretaceous of Antarctica (1)
• Jurassic of Antarctica (8)
Total: 46 collections including 60 occurrences