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Homocrinus

Crinoidea - Homocrinida - Homocrinidae

Taxonomy
Homocrinus was named by Hall (1852). It is the type genus of Homocrinidae.

It was assigned to Homocrinidae by Ulrich (1925), Ausich (1998); and to Disparida by Sepkoski (2002).

Species
H. parvus
Species lacking formal opinion data
H. diminutus

Synonymy list
YearName and author
1852Homocrinus Hall
1925Homocrinus Ulrich
1998Homocrinus Ausich p. 26
2002Homocrinus Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumBlastozoa
RankNameAuthor
classCrinoideaMiller 1821
subclassPentacrinoideaJaekel 1918
infraclassInadunata(Wachsmuth and Springer 1897)
—Disparida(Moore and Laudon 1943)
orderHomocrinida
familyHomocrinidaeKirk 1914
genusHomocrinusHall 1852

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. †Homocrinus Hall 1852
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†Homocrinus parvus Hall 1852
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: high Mg calcitec
Ontogeny: accretion, addition of partsp
Environment: marinep
Locomotion: stationaryg
Attached: yesg
Life habit: intermediate-level epifaunalg
Diet: suspension feederg
Vision: blindc
Dispersal: waterp
Dispersal 2: planktonicp
Comments: LIFE HISTORY: Stem lengths of 10 cm according to Brett (1984), therefore intermediate level epifaunal.g
Created: 2009-10-09 11:46:24
Modified: 2009-10-09 13:46:24
Source: g = genus, c = class, p = phylum
References: Kiessling 2004, Aberhan et al. 2004, Hendy et al. 2009, Aberhan 1992

Age range: base of the Rhuddanian to the top of the Ludlow or 443.10000 to 422.70000 Ma

Collections (11 total)


Time interval Ma Country or state Original ID and collection number
Rhuddanian443.1 - 440.5Canada (Ontario) H. diminutus (26686)
Llandovery443.1 - 432.9Canada (Ontario) H. diminutus (3488)
Llandovery - Ludlow443.1 - 422.7USA (New York) H. parvus (167558)
Wenlock432.9 - 426.7Canada (Ontario) H. parvus (26855)
Wenlock432.9 - 426.7USA (Indiana) H. sp. (26778 26858)
Wenlock432.9 - 426.7USA (New York) H. parvus (12936 26854) H. sp. (541)
Ludlow426.7 - 422.7USA (Illinois) H. sp. (26861)
Ludlow426.7 - 422.7USA (Missouri) H. n. sp. (26822)