Gastropoda - Neogastropoda - Columbellidae

Full reference: B. L. Clark. 1918. The San Lorenzo series of Middle California. a stratigraphic and paleontologic study of the San Lorenzo Oligocene series of the general region of Mount Diablo, California. University of California Publications Bulletin of the Department of Geology 11(2):45-234

Belongs to Amphissa according to B. L. Clark 1918

See also Durham 1944

Sister taxa: Amphissa acutecostata, Amphissa columbiana, Amphissa lineata, Amphissa reticulata, Amphissa undata, Amphissa versicolor

Type specimen: UCMP 11276

Ecology: epifaunal carnivore

Distribution: found only at UCMP A3678, east of Twin Rivers (Oligocene of Washington)

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Specimen images are retrieved through the ePANDDA API.