Bivalvia - Trigoniida - Megatrigonioidae
Alternative combinations: Trigonia evansana, Trigonia evansii
Synonyms: Trigonia churchi Anderson 1958, Trigonia inezana Packard 1921
Belongs to Pterotrigonia according to J. W. Haggart and R. Graham 2018
See also Anderson 1958, Gabb 1864, Jones 1960, Packard 1921 and Waring 1917
Sister taxa: Pterotrigonia (Acanthotrigonia), Pterotrigonia (Pterotrigonia), Pterotrigonia (Ptilotrigonia), Pterotrigonia (Rinetrigonia), Pterotrigonia (Scabrotrigonia), Pterotrigonia (Scabrotrigonia) eufaulensis, Pterotrigonia borgesi, Pterotrigonia crenulata, Pterotrigonia cristata, Pterotrigonia ethra, Pterotrigonia klamathonia, Pterotrigonia oregana, Pterotrigonia vaelsiensis, Pisotrigonia salebrosa, Notoscabrotrigonia tocaimaana, Rinetrigonia ventricosa
Distribution:
• Cretaceous of Canada (1: British Columbia collection), United States (71: California)
Total: 72 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.