Gastropoda - Epitonioidea - Epitoniidae

Alternative spellings: Pliciscala (Rugatiscala), Rugatiscala, Turriscala (Rugatiscala)

Parent taxon: Opalia according to A. G. Beu 2011

See also Addicott 1970, Durham 1937, Garvie 1996, Glibert 1962, Jeffery and Tracey 1997, Pacaud and Le Renard 1995 and Sepkoski 2002

Sister taxa: Epitonium (Opalia) retiporosum, Opalia (Contemniscala), Opalia (Crassiscala), Opalia (Dentiscala), Opalia (Granuliscala), Opalia (Nodiscala), Opalia (Opalia), Opalia (Pliciscala), Opalia atra, Opalia borealis, Opalia cavea, Opalia crenatoides, Opalia insculpta, Opalia mathewsonii, Opalia montereyensis, Opalia varicostata, Scala (Opalia) calvertensis, Scala (Opalia) prunicola, Scala (Opalia) reticulata

Subtaxa: Opalia (Rugatiscala) cowlitzensis Opalia (Rugatiscala) williamsoni Pliciscala (Rugatiscala) levesquei

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Ecology: slow-moving low-level epifaunal carnivore

Distribution:

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