PaleoDB taxon number: 112785
Alternative combination: Baena nodosa
Full reference: C. W. Gilmore. 1916. Contributions to the geology and paleontology of San Juan County, New Mexico. 2. Vertebrate faunas of the Ojo Alamo, Kirtland and Fruitland Formations. United States Geological Survey Professional Paper 98-Q:279-302
Sister taxa: none
Type specimen: USNM 8345, a shell (an almost complete shell). Its type locality is Hunter Wash head (USNM), two miles northwest of Ojo Alamo store, which is in a Campanian terrestrial horizon in the Kirtland Formation of New Mexico.