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Morphology Ecology and taphonomy   Age range and collections

Nucleolites (Cassidulus)

Echinoidea - Nucleolitidae

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()
subclassEuechinoideaBronn 1860
RankNameAuthor
infraclassAcroechinoidea()
Carinacea
Irregularia()
Microstomata
Neognathostomata
familyNucleolitidae
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