PaleoDB taxon number: 142830
Alternative combination: Aviculopinna sagitta
Full reference: H. Chronic. 1952. Molluscan fauna from the Permian Kaibab Formation, Walnut Canyon, Arizona. Geological Society America Bulletin 63(2):95-166
Sister taxon: Meekopinna americana
Type specimen: Mus N. Ariz G2.1300, a valve (Left valve). Its type locality is Bottomless Pits, Bed 9, Kaibab Formation, Walnut Canyon, which is in a Roadian shallow subtidal limestone in the Kaibab Formation of Arizona.
Ecology: stationary semi-infaunal suspension feeder
Average measurements (in mm): shell 12.4 x 19.5, valve length 57.4