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Morphology Ecology and taphonomy   Age range and collections

Planisphinctes

Cephalopoda - Ammonitida - Perisphinctidae

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); and to Perisphinctidae by Majidifard (2015).

Synonymy list
YearName and author
1972Siemiradzkia (Planisphinctes) Stephanov
1993Prorsisphinctes (Planisphinctes) Besnosov and Mitta p. 131
2002Planisphinctes Sepkoski, Jr.
2015Planisphinctes Majidifard p. 36

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
RankNameAuthor
classCephalopodaCuvier 1797
subclassAmmonoidea(Zittel 1884)
orderAmmonitidaHyatt 1889
suborderAmmonitinaHyatt 1889
superfamilyPerisphinctoidea(Steinman 1890)
familyPerisphinctidaeSteinmann 1890
genusPlanisphinctes

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.

Diagnosis
No diagnoses are available