Straparollus (Euomphalus) variabilis Jeffery et al. 1994 (snail)

Gastropoda - Euomphalina - Euomphalidae

Full reference: D. L. Jeffery, R.D. Hoare, R.H. Mapes and C.J. Brown. 1994. Gastropods (Mollusca) from the Imo Formation (Mississippian, Chesterian) of north-central Arkansas. Journal of Paleontology 68(1):58-79

Belongs to Straparollus (Euomphalus) according to D. L. Jeffery et al. 1994

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 eurekensis, Euomphalus fairchildi, Euomphalus fenestralis, Euomphalus gradatus, Euomphalus helicinus, Euomphalus illinoisensis, Euomphalus kaibabensis, Euomphalus latus, Euomphalus mapingensis, Euomphalus minimus, Euomphalus minor, Euomphalus mohri, Euomphalus mongolicus, 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 radiatus, Euomphalus rotundus, Euomphalus schnurii, Euomphalus serratus, Euomphalus similis, Euomphalus simuloides, Euomphalus sinister, 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) 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, Phymatifer pugiloides, Phymatifer coroniferus, Phymatifer peruvianus, Paromphalus rotundus, Schizostoma fasciatum, Schizostoma costata, Schizostoma africanum, Schizostoma calyx, Euomphalus (Schizostoma) cirridioides

Type specimen: USNM 463819, a shell. 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.

Ecology: stationary epifaunal suspension feeder

Distribution:

• Carboniferous of United States (6: Arkansas collections)

Total: 6 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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