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Cyathodonta tristani Olsson 1922 (clam)

Bivalvia - Thraciida - Thraciidae

PaleoDB taxon number: 162235

Alternative combination: Thracia (Cyathodonta) tristani

Full reference: A. A. Olsson. 1922. The Miocene of Northern Costa Rica. Bulletins of American Paleontology 9(39):1-309

Belongs to Cyathodonta according to A. J. W. Hendy et al. 2008

Sister taxa: Cyathodonta dolicha, Cyathodonta dubiosa, Cyathodonta gatunensis, Cyathodonta guadelupensis, Cyathodonta pedroana, Cyathodonta spenceri, Cyathodonta undulata, Thracia (Cyathodonta) taylorensis

Type specimen: Its type locality is Rio Betey, which is in a Pliocene marine siliciclastic in Costa Rica

Ecology: facultatively mobile infaunal suspension feeder

Average measurements (in mm): shell 42.0 x 30.0