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Eoastarte subcircularis Ciriacks 1963 (clam)

Bivalvia - Trigoniida - Schizodidae

Full reference: K.W. Ciriacks. 1963. Permian and Eotriassic bivalves of the middle Rockies. Bulletin of the American Museum of Natural History 125(1):1-100

Belongs to Eoastarte according to S. A. Quiroz-Barroso et al. 2012

Sister taxa: none

Type specimen: AMNH 28337, a valve (Left valve). Its type locality is Willow Creek, Lander, Fremont County, which is in a Kungurian marine limestone in the Park City Formation of Wyoming.

Ecology: facultatively mobile infaunal suspension feeder

Average measurements (in mm): shell 33.8 x 21.9, valve length 14.2