Gastropoda - Sorbeoconcha - Rissoidae
Full reference: D. B. K. Palmer. 1923. A fauna from the Middle Eocene shales near Vacaville, California. University of California Publications, Bulletin of the Department of Geological Sciences 14(8):289-318
Belongs to Turbella according to D. B. K. Palmer 1923
Sister taxa: Rissoa (Turboella) curticostata, Rissoa (Turboella) obsoleta, Turbella cowlitzensis, Turboella acuticosta, Turboella costata, Turboella crebricostata, Turboella turbinata
Type specimen: UCMP 30605, a shell. Its type locality is UCMP 3573 - NW of Vacaville, which is in a Ypresian offshore shale in California.
Ecology: epifaunal grazer
Distribution:
• Eocene 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.