Bivalvia - Ostreida - Pinnidae
Alternative combinations: Pinna (Atrina) bicuneata, Pinna bicuneata
Full reference: J. O. Nomland. 1917. Fauna of the Santa Margarita beds in the North Coalinga region of California. University of California Publications Bulletin of the Department of Geology 10(18):293-326
Belongs to Atrina according to E. J. Moore 1983
See also Grant, IV and Gale 1931
Sister taxa: Atrina (Atrina), Atrina (Servatrina), Atrina affinis, Atrina alamedensis, Atrina argentea, Atrina harrisii, Atrina jacksoniana, Atrina magellanica, Atrina maura, Atrina multicostata, Atrina nigra, Atrina pectinata, Atrina piscatoria, Atrina seminuda, Atrina serrata, Atrina stephensi, Atrina talarensis, Atrina triangularis, Atrina venturensis
Type specimen: UCMP 11307, a shell. Its type locality is UCMP loc. 2284, which is in a Miocene marine sandstone in the Santa Margarita Formation of California.
Ecology: stationary semi-infaunal suspension feeder
Distribution:
• Miocene of United States (2: California collections)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.