Perissolax blakei Conrad 1855

Gastropoda - Ficoidea - Ficidae

Alternative combinations: Busycon blakei, Pseudoperissolax blakei

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 Perissolax according to W. M. Gabb 1864

See also Conrad 1855, Gabb 1868, Nagao 1928, Squires 1984, Squires 1987, Turner 1938 and Waring 1917

Sister taxa: Perissolax brevirostris, Perissolax tricarnatus

Subtaxa: Pseudoperissolax blakei praeblakei

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Distribution:

• Eocene of Japan (3 collections), United States (28: California, Oregon, Washington)

• Paleocene of United States (3: California)

Total: 34 collections each including a single occurrence

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