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

Hybocrinus

Crinoidea - Hybocrinida - Hybocrinidae

Taxonomy
Hybocrinus was named by Billings (1857) [Sepkoski's age data: O Aren-l O Cara-m Sepkoski's reference number: 805]. It is not extant. Its type is Hybocrinus conicus.

It was assigned to Hybocrinida by Sepkoski (2002); and to Hybocrinidae by Parsley (1981), Ausich (1998), Ausich et al. (2018).

Species
H. conicus (type species), H. nitidus, H. pristinus, H. tumidus
Species lacking formal opinion data
H. bilateralis

Synonymy list
YearName and author
1857Hybocrinus Billings
1981Hybocrinus Parsley p. 2
1998Hybocrinus Ausich p. 28
2002Hybocrinus Sepkoski
2018Hybocrinus Ausich et al.

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

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

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. †Hybocrinus Billings 1857
show all | hide all
†Hybocrinus conicus Billings 1857
†Hybocrinus nitidus Sinclair 1945
†Hybocrinus pristinus Billings 1858
†Hybocrinus tumidus Billings 1857
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: Aberhan 1992, Kiessling 2004, Aberhan et al. 2004, Hendy et al. 2009

Age range: base of the Middle Ordovician to the top of the Blackriveran or 471.30000 to 449.60000 Ma

Collections (32 total)


Time interval Ma Country or state Original ID and collection number
Middle Ordovician471.3 - 458.2USA (Oklahoma) H. crinerensis (201757)
Chazyan471.3 - 457.3Canada (Quebec) H. pristinus (197279)
Sandbian458.2 - 452.8Canada (Quebec) H. pristinus (182449 182450 182451 182452)
Sandbian458.2 - 452.8Canada (Ontario) H. pristinus (182453)
Turinian457.3 - 453.8USA (Kentucky) H. tumidus (184657)
Turinian457.3 - 453.8Canada (Quebec) H. tumidus (195625)
Ashbyan457.3 - 449.6USA (Tennessee) H. punctatus (201763)
Blackriveran457.3 - 449.6USA (Tennessee) H. bilateralis (195670)
Blackriveran457.3 - 449.6USA (Oklahoma) H. crinerensis (73277) H. crinerensis, H. sp., H. conicus (24097) H. pyxidatus, H. nitidus (23990) H. sp. (24101 24102 24103 24104)
Shermanian457.3 - 449.6USA (Illinois, Iowa) H. conicus (23470 23471 23477 23481 23486)
Shermanian457.3 - 449.6USA (Minnesota) H. conicus (23403 23404)
Shermanian457.3 - 449.6USA (Iowa, Illinois) H. conicus (23469)
Trentonian457.3 - 449.6USA (Missouri) H. conicus (13157)
Katian452.8 - 445.2USA (Iowa) H. conicus (138446)
Katian452.8 - 445.2Canada (Ontario) H. tumidus (192275 192276 192278) H. tumidus, H. conicus (180117)