Contributed by Andrew Smith, August 2011
Diagnostic Features |
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Distribution | Lower Eocene, USA (California) |
Name gender | feminine |
Type | Calilampas californiensis Squires & Demetrion, 1996, p. 514, by original designation. |
Species Included | Only the type species. |
Classification and/or Status | Cassiduloida, Echinolampadidae Monotypic |
Remarks | Squires & Demetrion originally placed this in the Pliolampadidae but its suite of characters suggest affinities with Echinolampadidae. It resembles Kephrenia but differs from that taxon in having its peristome wider than long. Squires, R. I. & Demetrion, R. A. 1996. A new genus of cassiduloid echinoid from the Lower Eocene of the Pacific Coast of western North America and a new record of Cassidulus ellipticus Kew, 1920, from the Lower Eocene of Baja California Sur, Mexico. Journal of Paleontology 69(3), 509-515. |