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Stephanocrinus ramsbottomi

Blastoidea - Coronata - Stephanocrinidae

Taxonomy
Stephanocrinus ramsbottomi was named by Donovan and Paul (1985). Its type specimen is BMNH E25427 and is a 3D body fossil. Its type locality is Old quarry on Hunterstye, Upper Crummackdale, which is in a Hirnantian marine shale in the Ashgill Shale Formation of the United Kingdom.

Sister species lacking formal opinion data
S. cornetti, S. elongatus, S. obpyramidalis, S. osgoodensis, S. quinquepartitus

Synonymy list
YearName and author
1985Stephanocrinus ramsbottomi Donovan and Paul pp. 534 - 537 figs. Plate 62, figs. 1, 5, 6, 8; Plate 63, fig. 6; text-figs. 7a, 8b

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumBlastozoa
RankNameAuthor
classBlastoideaSay 1825
—Coronoidea()
orderCoronataJaekel 1918
familyStephanocrinidaeWachsmuth and Springer 1886
genusStephanocrinusConrad 1842
speciesramsbottomi

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.

†Stephanocrinus ramsbottomi Donovan and Paul 1985
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: high Mg calcitep
Ontogeny: accretion, addition of partsp
Environment: marinep
Locomotion: stationaryg
Attached: yesg
Life habit: intermediate-level epifaunalg
Diet: suspension feederg
Vision: blindo
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2009-10-09 11:59:22
Modified: 2009-10-09 13:59:22
Source: g = genus, o = order, p = phylum
References: Aberhan et al. 2004, Aberhan 1992, Hendy et al. 2009

Age range: base of the Pirgu to the top of the Hirnantian or 449.50000 to 443.10000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Katian - Hirnantian452.8 - 443.1Sweden (Dalarne) Stephanocrinus ramsbottomi (73413)
Pirgu449.5 - 445.2Sweden (Dalarne) Stephanocrinus ramsbottomi (163115)
Hirnantian445.2 - 443.1United Kingdom (Wales) Stephanocrinus ramsbottomi (153336)
Hirnantian445.2 - 443.1United Kingdom (England) Stephanocrinus ramsbottomi (type locality: 196870)
Hirnantian - Rhuddanian445.2 - 440.5United Kingdom (England) Stephanocrinus ramsbottomi (196872)