Bivalvia - Trigoniida - Trigoniidae
Full reference: H. A. Leanza and S. Casadío. 1991. Descripción de dos nuevas especies de Pacitrigonia Marwick y Austrotrigonia Skwarko (Trigoniidae; Bivalvia) en el Cretácico superior del occidente de la provincia de La Pampa, Argentina. Revista Geológica de Chile 18(1):25-35
Belongs to Austrotrigonia according to H. A. Leanza and S. Casadío 1991
Sister taxa: none
Type specimen: GHUNLPam 400, a shell. Its type locality is Barda Baya, which is in a Maastrichtian marine limestone in the Roca Formation of Argentina.
Ecology: fast-moving shallow infaunal suspension feeder
Distribution:
• Cretaceous of Argentina (9 collections)
Total: 9 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.