Gastropoda - Epitonioidea - Epitoniidae

Full reference: W. M. Gabb. 1876. Notes on American Cretaceous Fossils with Descriptions of Some New Species. Proceedings of the Academy of Natural Sciences of Philadelphia 28:276-324

Belongs to Scala (Opalia) according to W. M. Gabb 1876

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

Ecology: slow-moving low-level epifaunal carnivore

Distribution: there are no occurrences of Scala (Opalia) thomasi in the database

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Specimen images are retrieved through the ePANDDA API.