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Triacrinus

Crinoidea - Pisocrinida - Pisocrinidae

Taxonomy
Triacrinus was named by Muenster (1839) [Sepkoski's age data: S Ludl D Fame Sepkoski's reference number: 998]. It is not extant.

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

Species lacking formal opinion data

Synonyms
Synonymy list
YearName and author
1839Triacrinus Muenster
1856Trichocrinus Mueller
1978Triacrinus Ubaghs et al. p. T536
2002Triacrinus Sepkoski
2002Trichocrinus 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
genusTriacrinusMuenster 1839

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. †Triacrinus Muenster 1839
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Invalid names: Trichocrinus Mueller 1856 [synonym]
Diagnosis
No diagnoses are available