Gastropoda - Euomphalina - Euomphalidae
Alternative combination: Straparollus (Euomphalus) serratus
Full reference: J. B. Knight. 1934. The gastropods of the St. Louis, Missouri, Pennsylvanian outlier. VII. The Euomphalidae and Platyceratidae. Journal of Paleontology 8(2):139-166
Belongs to Euomphalus according to P. J. Wagner 2011
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 cornudanus, Euomphalus crotalostomus, Euomphalus dentatus, Euomphalus dissoluta, Euomphalus eurekensis, Euomphalus fairchildi, Euomphalus fenestralis, Euomphalus helicinus, Euomphalus illinoisensis, Euomphalus kaibabensis, Euomphalus latus, Euomphalus lineatus, Euomphalus mapingensis, Euomphalus minimus, Euomphalus minor, Euomphalus mohri, Euomphalus mongolicus, Euomphalus neapolitanus, Euomphalus nitidulus, Euomphalus nodulosus, Euomphalus oldhami, Euomphalus patulus, Euomphalus pentangulatus, Euomphalus perspectivus, Euomphalus perversus, Euomphalus planodorsatus, Euomphalus planorbis, Euomphalus plummeri, Euomphalus radiatus, Euomphalus rotundus, Euomphalus schnurii, Euomphalus similis, Euomphalus simuloides, Euomphalus sinister, 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) 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, Phymatifer coroniferus, Phymatifer peruvianus, Paromphalus rotundus, Schizostoma africanum, Schizostoma fasciatum, Euomphalus (Schizostoma) cirridioides
Ecology: stationary epifaunal suspension feeder
Average measurements (in mm): shell 42.0 x 17.0