Gastropoda - Epitonioidea - Epitoniidae
Alternative combinations: Epitonium varicostata, Opalia (Opalia) varicostata
Synonym: Opalia anomala Stearns 1875
Belongs to Opalia according to A. Hendy 2021
See also Arnold 1903, Durham 1937, Nomland 1917 and Woodring and Bramlette 1950
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 insculpta, Opalia mathewsonii, Opalia montereyensis, Scala (Opalia) calvertensis, Scala (Opalia) prunicola, Scala (Opalia) reticulata
Distribution:
• Quaternary of United States (3: California collections)
• Pliocene to Pleistocene of United States (3: California)
• Pliocene of United States (2: California)
Total: 8 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.