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Pseudodiadema aguilerai (Maldonado, 1953, p. 28)

[1953 Orthopsis aguilerai Maldonado, p. 28, pl. 2, figs 25-27.
1970 Pseudodiadema aguilerai Buitron, p. 21, pl. 3, figs 10-12.]

Diagnostic Features	Like Pseudodiadema pseudodiadema in appearance but with an occluded element in each triad.
Distribution	Aptian of Mexico and Lower Albian of Texas, USA
Classification and/or Status	A species of Pseudodiadema
Remarks	Buitrón, B. E. 1970. Equinoides del Cretácio inferior de la región de 2682 San Juan Raya-Zapotitklán, Estato de Puebla. Paleontologica Mexicana 30, 1–64. Maldonado-Koerdell, M. 1953. Los equinoides regulares del Meso- 2748 zoico de Mexico. An. Esc. Nac. Cien. Biol. 7,15–44 pls 1–2. Smith, A. B. & Rader, W. L. 2009. Echinoid diversity, preservation potential and sequence stratigraphical cycles in theGlen Rose Formation (early Albian, Early Cretaceous), Texas, USA. Palaeodiversity and Palaeoenvironments 89, 7-52.