PBDB Taxon

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Serendipocrinus

Crinoidea - Homocrinida - Cincinnaticrinidae

Taxonomy

Serendipocrinus was named by Donovan (1992) [Sepkoski's age data: O Ashg]. It is not extant. Its type is Serendipocrinus lamonti.

It was assigned to Cincinnaticrininae by Donovan (1992); and to Disparida by Sepkoski (2002).

Species

S. lamonti (type species)

Synonymy list

Year	Name and author
1992	Serendipocrinus Donovan p. 123 figs. 1-2
2002	Serendipocrinus Sepkoski

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
—	Ambulacraria
phylum	Echinodermata
subphylum	Blastozoa
class	Crinoidea	Miller 1821

Rank	Name	Author
subclass	Pentacrinoidea	Jaekel 1918
infraclass	Inadunata	(Wachsmuth and Springer 1897)
superorder	Disparida	(Moore and Laudon 1943)
order	Homocrinida
family	Cincinnaticrinidae	Warn and Strimple 1977
subfamily	Cincinnaticrininae	Warn and Strimple 1977
genus	Serendipocrinus

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.

G. †Serendipocrinus Donovan 1992

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†Serendipocrinus lamonti Donovan 1992

Diagnosis

Reference	Diagnosis
S. K. Donovan 1992	Cincinnatricrinid disparid crinoids with a robust, skyphosiform dorsal cup (sensu Warn and Strimple 1977, text-fig. 5) with low, moderately broad basals. Arms robust, apinnulate, uniserial and branching isotomously at lBr2 and 2Br3. Anal series formed from a single column of plates supported by the C superradial (=radianal) and D radial.