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Rhynchopygus

Echinoidea - Cassiduloida - Cassidulidae

Taxonomy
Rhynchopygus was named by d'Orbigny (1856) [Sepkoski's age data: K Ceno R Sepkoski's reference number: 577]. It is extant.

It was assigned to Cassidulidae by Kier (1966); and to Cassiduloida by Sepkoski (2002).

Synonymy list
YearName and author
1856Rhynchopygus d'Orbigny
1966Rhynchopygus Kier p. U515
2002Rhynchopygus Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEchinozoa
classEchinoidea()
subclassEuechinoideaBronn 1860
RankNameAuthor
infraclassAcroechinoidea()
Carinacea
Irregularia()
Microstomata
Neognathostomata
orderCassiduloida
superfamilyCassidulina
familyCassidulidae
genusRhynchopygusd'Orbigny 1856

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