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Straparollus (Euomphalus) variabilis

Taxonomy
Straparollus (Euomphalus) variabilis was named by Jeffery et al. (1994). Its type specimen is USNM 463819, a shell, and it is not a trace fossil. Its type locality is Loc. 1. USGS 14369. Road cut on se side US 65, 0.8 km sw of Peyton Creek Bridge, which is in a Serpukhovian offshore grainstone/shale in the Imo Formation of Arkansas.

Sister species
Euomphalus (Schizostoma) cirridioides, 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 serratus, Euomphalus similis, Euomphalus simuloides, Euomphalus sinister, Euomphalus subtrigonalis, Euomphalus sulcatus, Euomphalus telleri, Euomphalus tenuistriatus, Euomphalus trigonalis, Euomphalus triliris, Euomphalus tuberculatus, Euomphalus utahensis, Euomphalus venustus (syn. Delphinula verneuili), Euomphalus verneuili, Paromphalus rotundus, Phymatifer coroniferus, Phymatifer peruvianus, Schizostoma africanum, Schizostoma fasciatum, S. (Euomphalus) alaskensis, S. (Euomphalus) asanoi, S. (Euomphalus) brooksensis, S. (Euomphalus) carbonarius, S. (Euomphalus) elegans, S. (Euomphalus) equalis, S. (Euomphalus) glabribasis, S. (Euomphalus) konobasis, S. (Euomphalus) levicarinatus, S. (Euomphalus) marginatiformis, S. (Euomphalus) pancakensis, S. (Euomphalus) parvulus, S. (Euomphalus) parvus, S. (Euomphalus) pernodosus, S. (Euomphalus) pugilis, S. (Euomphalus) qingyanensis, S. (Euomphalus) subplanus, S. (Euomphalus) sumatrensis, S. (Euomphalus) uedai, S. (Euomphalus) umbilicatus
Sister species lacking formal opinion data

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Synonymy list
YearName and author
1994Straparollus (Euomphalus) variabilis Jeffery et al. p. 67 figs. 6.1-6.9

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