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Morphology Ecology and taphonomy   Age range and collections

Calyptactis

Ophiuroidea -

Taxonomy
Calyptactis was named by Spencer (1930) [Sepkoski's age data: C Tour C Vise-l Sepkoski's reference number: 2]. It is not extant. Its type is Calyptactis spinosus. It is the type genus of Calyptactininae.

It was assigned to Calyptactininae by Spencer (1930) and Owen (1965); to Taeniactinidae by Spencer and Wright (1966); to Asteroidea by Jell (1997); to Hemizonida by Sepkoski (2002); and to Ophiuroidea by Blake and Elliott (2003).

Synonymy list
YearName and author
1930Calyptactis Spencer
1965Calyptactis Owen p. 561
1966Calyptactis Spencer and Wright p. U65
1997Calyptactis Jell p. 315
2002Calyptactis Sepkoski, Jr.
2003Calyptactis Blake and Elliott p. 488

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
RankNameAuthor
phylumEchinodermata
subphylumAsterozoa
classOphiuroidea
genusCalyptactis

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