Gastropoda - Caenogastropoda - Orthonematidae

Full reference: H. Chronic. 1952. Molluscan fauna from the Permian Kaibab Formation, Walnut Canyon, Arizona. Geological Society America Bulletin 63(2):95-166

Belongs to Aclisina according to E. L. Yochelson and B.W. Saunders 1967

See also Chronic 1952

Sister taxa: Aclisina acutula, Aclisina beneventa, Aclisina breva, Aclisina golconda, Aclisina minima, Aclisina minuta, Aclisina northviewensis, Aclisina parallela, Aclisina regularis, Aclisina striatula, Aclisina subsutra, Aclisina terebra, Aclisina (Rhabdospira) compacta, Aclisina (Rhabdospira) selkirkii

Type specimen: AMNH 27116:1, a shell. Its type locality is Rimmy Jim Tank, Kaibab Formation, Coconino County, which is in a Roadian marine limestone in the Kaibab Formation of Arizona.

Ecology: epifaunal

Average measurements (in mm): shell diameter 3.14

Distribution: found only at Rimmy Jim Tank, Kaibab Formation, Coconino County

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Specimen images are retrieved through the ePANDDA API.