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Perisphinctes (Dichotomosphinctes) wartae
Taxonomy
Perisphinctes wartae was named by Bukowski (1887).
It was recombined as Perisphinctes (Dichotomosphinctes) wartae by Schlegelmilch (1994) and Pandey et al. (2012).
It was recombined as Perisphinctes (Dichotomosphinctes) wartae by Schlegelmilch (1994) and 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 |
|---|---|
| 1887 | Perisphinctes wartae Bukowski p. 140 figs. Pl. 27, fig 1 |
| 1994 | Perisphinctes (Dichotomosphinctes) wartae Schlegelmilch p. 59 figs. Pl 17, fig 9 |
| 2012 | Perisphinctes (Dichotomosphinctes) wartae Pandey et al. p. 516 |
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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) wartae Bukowski 1887
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| D.K. Pandey et al. 2012 | Shell moderately large, incomplete, evolute, compressed. Whorl section suboval, maximum inlation at one-third of whorl height. Ornamentation consists of prorsiradiate, moderately coarse, sharp, and sparse primary ribs originating near the umbilical suture rather rursiradiately. Primaries cross the rounded umbilical margin more or less straight and branch at three-quarters of whorl height into two secondary ribs. Occasionally single, undivided primaries present, demarcating shallow constrictions. Secondaries cross the venter with distinct forward-directed convexity. |
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: base of the Late/Upper Oxfordian to the top of the Oxfordian or 161.20000 to 157.30000 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Oxfordian | Madagascar | Dichotomosphinctes wartae (98190 98213) | |
| Oxfordian | Spain | Perisphinctes wartae (67866) | |
| Late/Upper Oxfordian | Madagascar (Atsimo-Andrefana) | Dichotomosphinctes wartae (234262) | |
| Middle Oxfordian | France | Perisphinctes wartae (12288 12291) | |
| Middle Oxfordian | Germany | Perisphinctes wartae (62306) | |
| Middle Oxfordian | Spain | Perisphinctes wartae (142582 142583 142584) |