Bivalvia - Cardiida - Veneridae
Alternative combinations: Callocallista arnoldi, Pitaria (Katherinella) arnoldi
Synonym: Marcia oregonensis Weaver 1912
Full reference: C. E. Weaver. 1916. Tertiary faunal horizons of western Washington. University of Washington Publications in Geology 1(1):1-67
Belongs to Katherinella according to H. B. Stenzel et al. 1957
See also Clark 1932, Durham 1944, Hendy 2020, Tegland 1933, Weaver 1912 and Weaver 1916
Sister taxa: Katherinella (Katherinella), Katherinella smithvillensis, Katherinella texitrina, Katherinella trinitatis, Pitaria (Katherinella) californica
Type specimens:
- Katherinella arnoldi: CAS 459, a shell
- Marcia oregonensis:
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Pliocene to Pleistocene of United States (1: Washington collection)
• Pliocene of United States (4: Oregon)
• Oligocene of United States (2: Washington)
• Eocene of the Russian Federation (1)
• Paleocene of the Russian Federation (1)
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.