Gastropoda - Epitonioidea - Epitoniidae

Alternative combinations: Epitonium (Opalia) retiporosa, Opalia retiporosa

Belongs to Opalia (Nodiscala) according to J. W. Durham 1937

See also Moody 1916

Sister taxon: Opalia (Nodiscala) obtusicostata

Distribution: found only at UCMP 3030, Fourth and Hill Streets, Los Angeles (Pliocene of California)

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Specimen images are retrieved through the ePANDDA API.