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Polygonocrinus

Crinoidea - Pisocrinida - Pisocrinidae

Taxonomy
Polygonocrinus was named by Strimple (1961) [Sepkoski's age data: C Mosc-u C Step-l]. It is not extant.

It was assigned to Pisocrinidae by Ubaghs et al. (1978); and to Cladida by Sepkoski (2002).

Species

Synonymy list
YearName and author
1961Polygonocrinus Strimple
1978Polygonocrinus Ubaghs et al. p. T731
2002Polygonocrinus Sepkoski

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumBlastozoa
RankNameAuthor
classCrinoideaMiller 1821
subclassPentacrinoideaJaekel 1918
infraclassInadunata(Wachsmuth and Springer 1897)
superorderDisparida(Moore and Laudon 1943)
orderPisocrinida
familyPisocrinidaeAngelin 1878
genusPolygonocrinusStrimple 1961

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. †Polygonocrinus Strimple 1961
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Polygonocrinus spiniferus Strimple and Moore 1971
Diagnosis
No diagnoses are available