Bivalvia - Trigoniida - Steinmanellidae

Alternative combinations: Litschkovitrigonia fitchi, Trigonia fitchi

Synonym: Trigonia branneri Anderson 1958

Full reference: E. L. Packard. 1921. The Trigoniae from the Pacific Coast of North America. University of Oregon Publications 1(9)

Belongs to Louella according to M. R. Cooper and H. A. Leanza 2017

See also Anderson 1958, Haggart et al. 2005, Packard 1921 and Saul 1978

Sister taxa: none

Type specimens:

• Louella fitchi: Condom Museum type number 7
• Trigonia branneri:

Distribution: found only at CAS Loc. 1284 - Sand Flat [Pacheco Gp] (Cretaceous of California)

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Specimen images are retrieved through the ePANDDA API.