| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Planisphinctes
Taxonomy
Planisphinctes was named as a genus. It is not extant.
It was reranked as Siemiradzkia (Planisphinctes) by Stephanov (1972); it was reranked as Prorsisphinctes (Planisphinctes) by Besnosov and Mitta (1993).
It was assigned to Siemiradzkia by Stephanov (1972); to Prorsisphinctes by Besnosov and Mitta (1993); to Ammonoidea by Sepkoski (2002); to Perisphinctidae by Majidifard (2015); and to Leptosphinctinae by Mitta (2023).
It was reranked as Siemiradzkia (Planisphinctes) by Stephanov (1972); it was reranked as Prorsisphinctes (Planisphinctes) by Besnosov and Mitta (1993).
It was assigned to Siemiradzkia by Stephanov (1972); to Prorsisphinctes by Besnosov and Mitta (1993); to Ammonoidea by Sepkoski (2002); to Perisphinctidae by Majidifard (2015); and to Leptosphinctinae by Mitta (2023).
Synonymy list
| Year | Name and author |
|---|---|
| 1972 | Siemiradzkia (Planisphinctes) Stephanov |
| 1993 | Prorsisphinctes (Planisphinctes) Besnosov and Mitta p. 131 |
| 2002 | Planisphinctes Sepkoski |
| 2015 | Planisphinctes Majidifard p. 36 |
| 2023 | Planisphinctes Mitta p. 312 |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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.
G. †Planisphinctes
show all | hide all
†Planisphinctes pirkli Mitta 2023
†Planisphinctes tenuissimus Siemiradzki 1898
†Prorsisphinctes (Planisphinctes) torrensi Stephanov 1972
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 4 | 12.3 | 11.0 | 13.0 | 12.8 | 0.946 | |
| shell diameter | 4 | 43.6 | 35.0 | 49.0 | 46.0 | 6.16 | |
| shell inflation | 4 | 21.5 | 17.0 | 24.0 | 23.0 | 3.30 |
|
|
||||
|
|
||||
|
|
||||
|
|
||||
| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Late/Upper Bajocian to the top of the Early/Lower Bathonian or 171.60000 to 164.70000 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Bajocian | Russian Federation (Karachaevo-Cherkessiya) | P. pirkli, P. tenuissimus (235066) P. sp. (235069 235070) | |
| Parkinsoni | Russian Federation | P. pirkli, P. tenuissimus (230143) P. tenuissimus (230598) | |
| Parkinsoni - Early/Lower Bathonian | Russian Federation | Prorsisphinctes tenuissimus (187367 188457 188458) | |
| Early/Lower Bathonian | Turkmenistan | Prorsisphinctes torrensi (188454) | |
| Early/Lower Bathonian | Russian Federation | Prorsisphinctes gredingensis (187366 188434) | |
| Early/Lower Bathonian | Iran | P. sp. (175749) |