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Morphology Ecology and taphonomy   Age range and collections

Polycyphus

Echinoidea - Stomopneustoida - Stomechinidae

Taxonomy
Polycyphus was named by Agassiz and Desor (1846) [Sepkoski's age data: J Bath J Oxfo].

It was assigned to Stomechinidae by Fell and Pawson (1966); and to Phymosomatoida by Sepkoski (2002).

Synonymy list
YearName and author
1846Polycyphus Agassiz and Desor p. 361
1966Polycyphus Fell and Pawson p. U406
2002Polycyphus Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEchinozoa
RankNameAuthor
classEchinoidea()
subclassEuechinoideaBronn 1860
Echinacea()
orderStomopneustoida
familyStomechinidae()
genusPolycyphus

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