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Euomphalus planodorsatus

Taxonomy
Euomphalus planodorsatus was named by Meek and Worthen (1860). It is a 3D body fossil.

It was recombined as Straparollus planidorsatus by Meek and Worthen (1866), Keyes (1894) and Snider (1915); it was corrected as Euomphalus planidorsatus by Girty (1915) and Girty (1915); it was recombined as Straparollus (Euomphalus) planidorsatus by Thein and Nitecki (1974).

Sister species
E. (Schizostoma) cirridioides, E. acuticosta, E. acutus, E. altus, E. angularis, E. anticostiensis, E. araneifer, E. archiaci, E. articulatus, E. basinodosus, E. biarmatus, E. bundtzeni, E. cassianus, E. catilliformis, E. catillus, E. cera, E. conradi, E. cornudanus, E. crotalostomus, E. dentatus, E. dissoluta, E. eurekensis, E. fairchildi, E. fenestralis, E. helicinus, E. illinoisensis, E. kaibabensis, E. latus, E. lineatus, E. mapingensis, E. minimus, E. minor, E. mohri, E. mongolicus, E. neapolitanus, E. nitidulus, E. nodulosus, E. oldhami, E. patulus, E. pentangulatus, E. perspectivus, E. perversus, E. planorbis, E. plummeri, E. radiatus, E. rotundus, E. schnurii, E. serratus, E. similis, E. simuloides, E. sinister, E. subtrigonalis, E. sulcatus, E. telleri, E. tenuistriatus, E. trigonalis, E. triliris, E. tuberculatus, E. utahensis, E. venustus (syn. Delphinula verneuili), E. verneuili, Paromphalus rotundus, Phymatifer coroniferus, Phymatifer peruvianus, Schizostoma africanum, Schizostoma fasciatum, 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
Sister species lacking formal opinion data

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Synonymy list
YearName and author
1860Euomphalus planodorsatus Meek and Worthen p. 460
1866Straparollus planidorsatus Meek and Worthen pp. 302 - 303 figs. pl. 24 f. 2a-c
1894Straparollus planidorsatus Keyes p. 160
1915Euomphalus planidorsatus Girty p. 38 figs. pl. 2 f. 1-2
1915Straparollus planidorsatus Snider p. 117
1974Straparollus (Euomphalus) planidorsatus Thein and Nitecki pp. 64 - 68 figs. f. 17
2011Euomphalus planodorsatus Wagner p. 6102

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