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Prionocidaris

Echinoidea - Cidaroida - Cidaridae

Taxonomy
Prionocidaris was named by Agassiz (1863) [Sepkoski's age data: K Albi-u R Sepkoski's reference number: 865]. It is extant. Its type is Cidarites pistillaris.

It was assigned to Rhabdocidarinae by Fell (1966); to Phyllacanthina by Smith (1995); to Cidaroida by Sepkoski (2002); and to Cidaridae by Smith (1991), Ragaini (1994) and Donovan et al. (2005).

Synonymy list
YearName and author
1863Prionocidaris Agassiz
1966Prionocidaris Fell p. U330
1991Prionocidaris Smith p. 15
1994Prionocidaris Ragaini p. 289
1995Prionocidaris Smith p. 131
2002Prionocidaris Sepkoski, Jr.
2005Prionocidaris Donovan et al. p. 102

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEchinozoa
RankNameAuthor
classEchinoidea()
subclassCidaroidea(Claus 1880)
orderCidaroida()
superfamilyCidarideaGray 1825
familyCidaridae
genusPrionocidarisAgassiz 1863

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