Bivalvia - Arcida - Glycymerididae

Full reference: E. L. Packard. 1922. New species from the Cretaceous of the Santa Ana Mountains, California. University of California Publications, Bulletin of the Department of Geological Sciences 13(10):413-462

Belongs to Trigonarca according to P. W. Reinhart 1943

See also Anderson 1958 and Packard 1922

Sister taxa: Trigonarca (Costelliarca), Trigonarca acclivis, Trigonarca angolensis, Trigonarca californica, Trigonarca camerunensis, Trigonarca cardiformis, Trigonarca curvatodonta, Trigonarca excavata, Trigonarca furoni, Trigonarca jacksonensis, Trigonarca jessupae, Trigonarca ligeriensis, Trigonarca manzadinensis, Trigonarca schweinfurthi, Trigonarca semiglabra, Trigonarca tumida

Type specimen: UCMP 12316. Its type locality is UCMP loc. 2144, Santa Ana Mountains, which is in a Turonian/Campanian marine horizon in the Ladd Formation of California.

Ecology: facultatively mobile semi-infaunal suspension feeder

Distribution: found only at UCMP loc. 2144, Santa Ana Mountains

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Specimen images are retrieved through the ePANDDA API.