Gastropoda - Heterostropha - Pyramidellidae

Alternative combination: Pyramidella cooperi

Full reference: F. M. Anderson and B. Martin. 1914. Neocene record in the Temblor Basin, California, and Neocene deposits of the San Juan District, San Luis Obispo County. Proceedings of the California Academy of Sciences, Fourth Series 4(3):15-112

Belongs to Pyramidella (Longchaeus) according to W.O. Addicott 1970

See also Anderson and Martin 1914

Sister taxa: Longchaeus (Longchaeus), Longchaeus mexicanus

Type specimen: CAS 136

Ecology: epifaunal carnivore

Distribution: found only at LSJU loc. 2121 [Round Mountain Silt] (Miocene of California)

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Specimen images are retrieved through the ePANDDA API.