Bivalvia - Trigoniida - Megatrigonioidae
Alternative spellings: Scabrotrigonia, Trigonia (Scabrotrigonia)
Parent taxon: Pterotrigonia according to S. Mendir et al. 2021
See also Bouchet et al. 2010, Cox 1952, Dartevelle and Freneix 1957, Sepkoski 2002, Tashiro 1988, Tashiro and Kozai 1982 and Vokes 1980
Sister taxa: Pterotrigonia (Acanthotrigonia), Pterotrigonia (Pterotrigonia), Pterotrigonia (Ptilotrigonia), Pterotrigonia (Rinetrigonia), Pterotrigonia (Scabrotrigonia) eufaulensis, Pterotrigonia borgesi, Pterotrigonia crenulata, Pterotrigonia cristata, Pterotrigonia ethra, Pterotrigonia evansana, Pterotrigonia klamathonia, Pterotrigonia vaelsiensis, Pisotrigonia salebrosa, Rinetrigonia ventricosa, Notoscabrotrigonia tocaimaana
Subtaxa: Pterotrigonia (Scabrotrigonia) monobeana Pterotrigonia (Scabrotrigonia) pustulosa Pterotrigonia (Scabrotrigonia) scabra Pterotrigonia (Scabrotrigonia) thoracica
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Cretaceous of Algeria (3 collections), Argentina (1), Austria (1), Colombia (1), Cuba (1), Egypt (25), Germany (1), Italy (1), Japan (17), Libya (1), Madagascar (1), Mexico (1), Mozambique (3), Oman (4), Peru (9), Serbia and Montenegro (1), Spain (2), the United Arab Emirates (3), United States (175: Alabama, Arkansas, Delaware, Georgia, Kansas, Maryland, Mississippi, Missouri, New Jersey, New Mexico, North Carolina, South Carolina, Tennessee, Texas)
Total: 251 collections including 295 occurrences