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Perisphinctes (Dichotomosphinctes) obliqueplicatus
Taxonomy
Perisphinctes obliqueplicatus was named by Waagen (1875).
It was recombined as Perisphinctes (Dichotomosphinctes) obliqueplicatus by Pandey et al. (2012).
It was recombined as Perisphinctes (Dichotomosphinctes) obliqueplicatus by Pandey et al. (2012).
Sister species lacking formal opinion data
Dichotomosphinctes decaryi, Dichotomosphinctes martini, Dichotomosphinctes sikilyensis, P. africanus, P. andium, P. mairei-matheyi, P. malinowskae, P. panderi, P. polygyratus, P. praestenocyclus, P. progeron, P. quadratus, P. scythicus, P. siemiradzkii, P. eucostatus, P. quadratus, P. pickeringius, P. buckmani, P. buckmanni, P. luciaeformis, P. crassissimus, P. A, P. B, P. anguiculus, P. patturatensis, P. siemirazkii, P. roedereri, P. alatus, P. andelotensis, P. densecostatus, P. pumilus, P. dorsoplanus, P. dacquei, P. polygyratus
Synonymy list
| Year | Name and author |
|---|---|
| 1875 | Perisphinctes obliqueplicatus Waagen p. 87 figs. Pl. 45, fig. 4a, b, pl. 48, fig. 2a, b |
| 2012 | Perisphinctes (Dichotomosphinctes) obliqueplicatus Pandey et al. p. 511 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Perisphinctes (Dichotomosphinctes) obliqueplicatus Waagen 1875
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| D.K. Pandey et al. 2012 | Shells small to large, evolute, septate till end, compressed. Whorl section suboval with faintly arched lanks merging smoothly into well rounded venter (Fig. 41A-C). Umbilical wall feebly arched to indistinct, merging gradually into lanks. Ornamentation consists of gradually varicostate, ine primary ribs originating near the umbilical margin with prorsiradiate orientation running consistently forwardly inclined across the lank. Primaries branch regularly into two iner secondaries near the ventrolateral region and cross the venter with slight forward-directed convexity (Fig. 41D, E). Ribbing density is moderate, increasing steeply from diameters of 30 to 70 mm (Fig. 42). Constrictions distinct, numbering at least two per whorl. Suture lines closely spaced at the mature stage. |
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Collections
No collection or age range data are available