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Boletín de la Sociedad Geológica Mexicana
Print version ISSN 1405-3322
Abstract
SILVA-MARTINEZ, Luis E.; BLANCO-PINON, Alberto; LEON-GONZALEZ, Jesús A. de and RODRIGUEZ-VELA, Hidalgo. New Echinoid (Spatangoida: Toxasterinidae) from the Campanian of Coahuila, Northeastern Mexico. Bol. Soc. Geol. Mex [online]. 2017, vol.69, n.2, pp.371-384. ISSN 1405-3322. https://doi.org/10.18268/bsgm2017v69n2a4.
Three specimens corresponding to a new echinoid species from the Upper Cretaceous (Lower Campanian) from Austin Formation in the northeastern of Mexico are reported here. The morphology of the specimens (test with a cordiform aboral region) as well as the sedimentary environment reported at the Austin Formation, suggests that this species represents an infaunal and detritivorous dweller living in a shallow water environment within the continental shelf. This is consistent with the more actual knowledge for other species of Diplodetus.
Keywords : Echinoids; Diplodetus; Upper Cretaceous; Campanian; Austin Formation; NE Mexico.