Gastropoda - Epitonioidea - Epitoniidae

Alternative combination: Epitonium riachuelanum

Full reference: C. J. Maury. 1936. Monographias do Servico Geologico E Mineralogico 11:1-283

Belongs to Opalia (Crassiscala) according to E. C. Allison 1955

See also Maury 1936

Sister taxon: Crassiscala subterranea

Distribution: found only at Alisitos Fm. (UCB A-8331) (Cretaceous of Mexico)

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Specimen images are retrieved through the ePANDDA API.