Diagnostic Features |
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Distribution | Jurassic (Oxfordian-Kimmeridgian), Europe. |
Name gender | neuter |
Type | Cidarites agassizi Roemer, 1839, p. 17, pl. 17, fig. 31, by original designation. |
Classification and/or Status |
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Remarks | Differs from Gymnocidaris diademata, the type species of Gymnocidaris, in having trigeminate ambulacral plating at the ambitus, not polygeminate plating. Pomel, A. 1869. Revue des échinoderms et de leur classification pour servir d’introduction à l’étude des fossiles, 67 pp. Deyrolle, Paris. |