Bivalvia - Cardiida - Mactridae
Alternative combinations: Mactra (Spisula) falcata, Mactra falcata, Spisula (Symmorphomactra) falcata, Spisula falcata, Symmorphomactra falcata
Synonym: Anisodonta pellucida Dall 1916
Belongs to Simomactra according to A. Hendy 2021
See also Arnold and Hannibal 1913, Bruff 1946, Coan et al. 2000, Coan and Valentich-Scott 2012, Hickman 2015, Moore 2003, Packard 1916 and Signorelli 2019
Sister taxa: Simomactra dolabriformis, Simomactra planulata
Subtaxa: Simomactra falcata brioniana
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Quaternary of United States (15: California, Oregon collections)
• Pliocene of United States (2: California)
Total: 17 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.