The Echinoid Directory
Thomasaster araidahensis (Gauthier, 1901). Cenomanian, Upper Cretaceous, Egypt. From V. Gauthier 1901, in R. Fourtau. 1902. Notes sur le Echinides fossiles de l'Egypte. Bulletin de l'Institut Egyptien, 4 (2), 23-117 pp., 6 pls (plate 1, fig. 13). Apical view.
Length of test 22 mm.