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Hybocrinus tumidus

Crinoidea - Hybocrinida - Hybocrinidae

Taxonomy
Hybocrinus tumidus was named by Billings (1857). Its type specimen is GSC 1419b and 1419c (cotypes), a calyx, and it is a 3D body fossil.

Sister species lacking formal opinion data
H. bilateralis

Synonymy list
YearName and author
1857Hybocrinus tumidus Billings
1981Hybocrinus tumidus Parsley p. 2

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumBlastozoa
classCrinoideaMiller 1821
RankNameAuthor
subclassPentacrinoideaJaekel 1918
infraclassInadunata(Wachsmuth and Springer 1897)
—Cladida(Moore and Laudon 1943)
superorderPorocrinoidea
orderHybocrinidaJaekel 1918
familyHybocrinidaeZittel 1879
genusHybocrinusBillings 1857
speciestumidusBillings 1857

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.

†Hybocrinus tumidus Billings 1857
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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: epifaunalo
Diet: suspension feedero
Vision: blindc
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2004-02-28 16:36:32
Modified: 2004-02-28 18:36:32
Source: o = order, subc = subclass, c = class, p = phylum
References: Kiessling 2004, Aberhan 1992, Hendy et al. 2009, Aberhan et al. 2004

Age range: base of the Turinian to the top of the Katian or 457.30000 to 445.20000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Turinian457.3 - 453.8Canada (Quebec) Hybocrinus tumidus (195625)
Turinian457.3 - 453.8USA (Kentucky) Hybocrinus tumidus (184657)
Katian452.8 - 445.2Canada (Ontario) Hybocrinus tumidus (180117 192275 192276 192278)