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Nucleolites (Cassidulus)

Echinoidea - Disasteridae

Taxonomy
Cassidulus was named by Lamarck (1801) [Sepkoski's age data: K Maes-l R Sepkoski's reference number: 577]. It is extant. It is the type genus of Cassidulidae.

It was reranked as Nucleolites (Cassidulus) by Forbes (1846).

It was assigned to Nucleolites by Forbes (1846); to Cassidulidae by Kier (1966); and to Cassiduloida by Sepkoski (2002).

Synonymy list
YearName and author
1801Cassidulus Lamarck p. 348
1846Nucleolites (Cassidulus) Forbes p. 162
1966Cassidulus Kier p. U514
2002Cassidulus Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEchinozoa
classEchinoidea()
RankNameAuthor
subclassEuechinoideaBronn 1860
superorderAcroechinoidea()
Carinacea
Irregularia()
Atelostomata
familyDisasteridae
genusNucleolites
subgenusCassidulus()

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