Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Seirocrinus

Crinoidea - Isocrinida - Pentacrinitidae

Taxonomy
Seirocrinus was named by Gislen (1924) [Sepkoski's age data: Tr Nori J Bath Sepkoski's reference number: 1066].

It was assigned to Isocrinida by Sepkoski (2002); and to Pentacrinitidae by Jäger (1985), Hess and Messing (2011).

Synonymy list
YearName and author
1924Seirocrinus Gislen p. 218
1985Seirocrinus Jäger p. 96
2002Seirocrinus Sepkoski
2011Seirocrinus Hess and Messing p. 46

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumBlastozoa
classCrinoideaMiller 1821
subclassPentacrinoideaJaekel 1918
RankNameAuthor
infraclassInadunata(Wachsmuth and Springer 1897)
—Cladida(Moore and Laudon 1943)
—Eucladida
subclassArticulata(Miller 1821)
orderIsocrinidaSieverts-Doreck 1952
suborderPentacrinitinaGray 1842
familyPentacrinitidaeGray 1842
genusSeirocrinusGislen 1924

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. †Seirocrinus Gislen 1924
show all | hide all
†Seirocrinus subangularis Miller 1821
hide
Invalid names: Extracrinus lepidotus Austin and Austin 1847 [synonym], Pentacrinites briaroides Quenstedt 1852 [synonym], Pentacrinites colligatus Quenstedt 1852 [synonym], Pentacrinites fasciculosus von Schlotheim 1813 [synonym], Pentacrinus hiemeri Koenig 1825 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: high Mg calcitec
Ontogeny: accretion, addition of partsp
Environment: marinep
Locomotion: stationaryo
Attached: yessubc
Life habit: planktonicg
Diet: suspension feedero
Vision: blindc
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2004-02-28 12:32:18
Modified: 2004-02-28 14:32:18
Source: g = genus, o = order, subc = subclass, c = class, p = phylum
References: Aberhan et al. 2004, Aberhan 1992, Kiessling 2004, Hendy et al. 2009

Age range: base of the Hettangian to the top of the Early/Lower Toarcian or 201.40000 to 182.90000 Ma

Collections (12 total)


Time interval Ma Country or state Original ID and collection number
Hettangian201.4 - 199.5Canada (Northwest Territories) S. sp. (34185)
Hettangian - Aalenian201.4 - 170.9Canada (Northwest Territories) S. sp. (34184)
Sinemurian - Pliensbachian199.5 - 184.2Algeria S. subangularis (238709)
Davoei192.9 - 184.2Germany S. sp. (159243) S. subangularis (162031)
Late/Upper Pliensbachian192.9 - 184.2Canada (Alberta) S. subangularis (4879)
Pliensbachian192.9 - 184.2Canada (Yukon) S. sp. (34183) S. subangularis (34222)
Pliensbachian192.9 - 184.2Morocco S. subangularis (238697)
Early/Lower Toarcian184.2 - 182.9United Kingdom S. subangularis (213685 213694 213695)