Bivalvia - Cardiida - Vesicomyidae
Alternative combination: Archivesica knapptonensis
Full reference: K. Amano and S. Kiel. 2007. Fossil Vesicomyid Bivalves from the North Pacific Region . The Veliger 49(4):270-293
Belongs to Squiresica according to S. Kiel et al. 2023
See also Amano and Kiel 2007 and Hybertsen et al. 2022
Sister taxa: Squiresica plana, Squiresica yooni
Type specimen: USNM 534954, a shell. Its type locality is LACMIP 5843 - Knappton [Lincoln Creek Fm], which is in a Chattian deep-water limestone in the Lincoln Creek Formation of Washington.
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Oligocene of United States (2: Washington collections)
• Eocene of United States (1: Washington)
Total: 3 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.