Basic info Taxonomic history Classification Relationships
Morphology Ecology and taphonomy   Age range and collections

Pachycidaris

Echinoidea - Cidaroidea - Miocidaridae

Taxonomy
Pachycidaris is a genus. It is not extant.

It was assigned to Miocidaridae by Fell (1966); and to Cidaroida by Sepkoski (2002).

Synonymy list
YearName and author
1966Pachycidaris Fell p. U321
2002Pachycidaris Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
RankNameAuthor
subphylumEchinozoa
classEchinoidea()
orderCidaroidea(Claus 1880)
orderCidaroida()
familyMiocidaridae
genusPachycidaris

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