Diagnostic Features |
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Distribution | Lower Cretaceous (Hauterivian to Aptian, ?Albian); Europe. |
Name gender | masculine |
Type | Echinospatagus breyniusi d'Orbigny, 1859, p. 173, by original designation. |
Species Included |
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Classification and/or Status |
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Remarks | Differs from Toxaster in having a genital plate 2 separating the posterior genital plates in the apical disc, and pore-pairs in the anterior ambulacrum that are differentiated from those in the paired ambulacra. Differs from Pliotoxaster in having the paired ambulacra flush, not sunken. |