Gastropoda - Sorbeoconcha - Cassidae

Alternative combination: Stramonita petrosa

Full reference: T. A. Conrad. 1855. Report Of Mr. T. A. Conrad On The Fossil Shells Collected In California By Wm. P. Blake, Geologist Of The Expedition Under The Command Of Lieutenant R. S. Williamson, United States Topographical Engineers. Description of the fossils and shells collected in California by William P. Blake, Geologist of the United States Pacific Railroad Survey in California. under the command of Lieut. R. S. Williamson, In 1853-54. Article 1 of Appendix to the Preliminary Geological Report of WIlliam P. Blake, Geologist of the Survey in California Under the Command of Lieut. R. S. Williamson. Palæontology 5-21

Belongs to Galeodea according to H. G. Schenck 1926

See also Hendy 2020, Moore 1963 and Squires 2019

Sister taxa: Doliopsis tricarinatum, Galeodea aegyptiaca, Galeodea allani, Galeodea bicatenata, Galeodea californica, Galeodea crescentensis, Galeodea depressa, Galeodea echinophora, Galeodea koureos, Galeodea louella, Galeodea megacephala, Galeodea meganosensis, Galeodea petersoni, Galeodea planotecta, Galeodea sutterensis, Galeodea tuberculiformis, Galeodea wylliei, Galeodea (Gomphopages) meganosensis, Galeodea (Gomphopages) millsapsi, Galeodea (Gomphopages) turneri, Galeodea (Mambrinia) nodosa, Galeodea (Mambrinia) gallica, Galeoocorys leucodoma, Cassidaria desori, Cassidaria javana, Cassidaria cheops, Cassidaria lintea, Cassidaria khaledi, Cassidaria washingtoniana

Type specimen: USNM 3536, a shell

Ecology: epifaunal carnivore

Distribution: found only at Astoria of Washington (Miocene of Washington)

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Specimen images are retrieved through the ePANDDA API.