Gastropoda - Epitonioidea - Epitoniidae

Full reference: R. L. Squires and L. R. Saul. 2003. New Late Cretaceous epitoniid and zygopleurid gastropods from the Pacific Slope of North America. The Veliger 46(1):20-49

Belongs to Opalia according to R. L. Squires and L. R. Saul 2003

Sister taxa: Opalia (Contemniscala), Opalia (Crassiscala), Opalia (Dentiscala), Opalia (Granuliscala), Opalia (Nodiscala), Opalia (Opalia), Opalia (Pliciscala), Opalia (Rugatiscala), Opalia atra, Opalia borealis, Opalia crenatoides, Opalia infrequens, Opalia mathewsonii, Opalia montereyensis, Opalia spongiosa, Opalia varicostata, Scala (Opalia) calvertensis, Scala (Opalia) cyclostoma, Scala (Opalia) prunicola, Scala (Opalia) reticulata, Scala (Opalia) thomasi, Scalaria (Opalia) annulata

Type specimen: LACMIP 12990. Its type locality is LACMIP loc. 2853, Arroyo Santa Catarina, which is in a Campanian/Maastrichtian marine horizon in the Rosario Formation of Mexico.

Ecology: slow-moving low-level epifaunal carnivore

Distribution: found only at LACMIP loc. 2853, Arroyo Santa Catarina

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Specimen images are retrieved through the ePANDDA API.