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Echinoidea source details
De Gregorio, A. 1930b. Fossili triassici delle Cave di Billiemi presso Palermo. Annales de Géologie et de Paléontologie 54, 1-40.
169102
Publication
from Kier & Lawson (1978)
Date action by
Cidaris anellatus De Gregorio, 1930 † (original description)
Cidaris mirandus De Gregorio, 1930 † (original description) Cidaris percostatus De Gregorio, 1930 † (original description) Cidaris tuberculinus De Gregorio, 1930 † (original description) Crinocidaris De Gregorio, 1930 † (original description) Crinocidaris unicus de Gregorio, 1930 † (original description) |