Bivalvia - Cardiida - Mactridae

Alternative combination: Spisula falcata brioniana

Full reference: P. D. Trask. 1922. The Briones Formation of Middle California. University of California Publications, Bulletin of the Department of Geological Sciences 13(5):133-174

Belongs to Simomactra falcata according to E. J. Moore 2003

See also Trask 1922

Sister taxa: none

Type specimen: UCMP 12380

Ecology: facultatively mobile infaunal suspension feeder

Distribution: there are no occurrences of Simomactra falcata brioniana in the database

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