Gastropoda - Euomphalina - Euomphalidae
Alternative combination: Straparollus (Euomphalus) kaibabensis
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 Euomphalus according to S. A. Quiroz-Barroso et al. 2021
See also Batten 1964, Blodgett et al. 2002, Chronic 1952, Winters 1963 and Yochelson 1956
Sister taxa: Euomphalus (Schizostoma), Euomphalus acuticosta, Euomphalus acutus, Euomphalus altus, Euomphalus angularis, Euomphalus anticostiensis, Euomphalus araneifer, Euomphalus archiaci, Euomphalus articulatus, Euomphalus basinodosus, Euomphalus biarmatus, Euomphalus bundtzeni, Euomphalus cassianus, Euomphalus catilliformis, Euomphalus catillus, Euomphalus cera, Euomphalus conradi, Euomphalus crotalostomiformis, Euomphalus crotalostomus, Euomphalus dentatus, Euomphalus eurekensis, Euomphalus fairchildi, Euomphalus fenestralis, Euomphalus gradatus, Euomphalus helicinus, Euomphalus illinoisensis, Euomphalus latus, Euomphalus luxus, Euomphalus minimus, Euomphalus minor, Euomphalus mohri, Euomphalus neapolitanus, Euomphalus nitidulus, Euomphalus nodocarinatus, Euomphalus nodulosus, Euomphalus oldhami, Euomphalus patulus, Euomphalus pentangulatus, Euomphalus perspectivus, Euomphalus perversus, Euomphalus planodorsatus, Euomphalus planorbis, Euomphalus plummeri, Euomphalus pronodocarinatus, Euomphalus pusilliformis, Euomphalus radiatus, Euomphalus rotundus, Euomphalus schnurii, Euomphalus serratus, Euomphalus similis, Euomphalus simuloides, Euomphalus sinister, Euomphalus sinistrorsus, Euomphalus studeri, Euomphalus subtrigonalis, Euomphalus sulcatus, Euomphalus telleri, Euomphalus tenuistriatus, Euomphalus trigonalis, Euomphalus triliris, Euomphalus tuberculatus, Euomphalus utahensis, Euomphalus venustus, Euomphalus verneuili, Straparollus (Euomphalus) alaskensis, Straparollus (Euomphalus) asanoi, Straparollus (Euomphalus) brooksensis, Straparollus (Euomphalus) carbonarius, Straparollus (Euomphalus) cornudanus, Straparollus (Euomphalus) elegans, Straparollus (Euomphalus) equalis, Straparollus (Euomphalus) glabribasis, Straparollus (Euomphalus) konobasis, Straparollus (Euomphalus) levicarinatus, Straparollus (Euomphalus) marginatiformis, Straparollus (Euomphalus) pancakensis, Straparollus (Euomphalus) parvulus, Straparollus (Euomphalus) parvus, Straparollus (Euomphalus) pernodosus, Straparollus (Euomphalus) pugilis, Straparollus (Euomphalus) qingyanensis, Straparollus (Euomphalus) subplanus, Straparollus (Euomphalus) sumatrensis, Straparollus (Euomphalus) uedai, Straparollus (Euomphalus) umbilicatus, Straparollus (Euomphalus) variabilis, Schizostoma africanum, Schizostoma calyx, Schizostoma costata, Schizostoma fasciatum, Euomphalus (Schizostoma) cirridioides, Phymatifer peruvianus, Phymatifer coroniferus, Phymatifer pugiloides
Type specimen: Mus N. Ariz G2.557, 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: stationary epifaunal suspension feeder
Average measurements (in mm): shell diameter 34.5
Distribution:
• Permian of Mexico (8 collections), United States (17: Arizona, New Mexico, Texas), Venezuela (3)
Total: 28 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.