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Agassizocrinus

Crinoidea

Taxonomy
Agassizocrinus was named by Owen and Shumard (1852) [Sepkoski's age data: C Vise-u C Serp-l Sepkoski's reference number: 906]. It is not extant. It is the type genus of Agassizocrinidae, Agassizocrinacea.

It was assigned to Agassizocrinidae by Ubaghs et al. (1978); to Cladida by Sepkoski (2002); and to Articuliformes by Wright (2017).

Species lacking formal opinion data
A. conicus, A. dissimilis, A. gibbosua, A. gibbosus, A. laevis, A. lobatus, A. ovalis

Synonymy list
YearName and author
1852Agassizocrinus Owen and Shumard
1978Agassizocrinus Ubaghs et al. p. T682
2002Agassizocrinus Sepkoski
2017Agassizocrinus Wright

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumBlastozoa
RankNameAuthor
classCrinoideaMiller 1821
subclassPentacrinoideaJaekel 1918
infraclassInadunata(Wachsmuth and Springer 1897)
—Cladida(Moore and Laudon 1943)
—Eucladida
—ArticuliformesWright 2017
genusAgassizocrinusOwen and Shumard 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. †Agassizocrinus Owen and Shumard 1852
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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: stationarysubc
Attached: yessubc
Life habit: intermediate-level epifaunalsubc
Diet: suspension feedersubc
Vision: blindc
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2009-10-09 11:50:31
Modified: 2009-10-09 13:50:31
Source: subc = subclass, c = class, p = phylum
References: Aberhan 1992, Hendy et al. 2009, Kiessling 2004

Age range: base of the Chesterian to the top of the Pendleian or 335.40000 to 326.90000 Ma

Collections (18 total)


Time interval Ma Country or state Original ID and collection number
Brigantian335.9 - 330.3USA (Alabama) A. sp. (6749 6751 6757 6799 6801 6803 6805 6812)
Brigantian - Pendleian335.9 - 326.9USA (Indiana) A. laevis (7002) A. sp. (7014)
Brigantian - Pendleian335.9 - 326.9USA (Pennsylvania) A. sp. (2774)
Chesterian335.4 - 323.4USA (Montana) A. conicus (230495)
Chesterian335.4 - 323.4USA (Indiana) A. gibbosus (6879)
Chesterian335.4 - 323.4USA (Kentucky) A. sp. (206292)
Chesterian335.4 - 323.4USA (Tennessee) A. dissimilis (90811)
Chesterian335.4 - 323.4USA (Virginia) A. ovalis (7030)
Pendleian330.3 - 326.9USA (Kentucky) A. conicus, A. laevis (6966) A. gibbosua, A. lobatus, A. sp. (7063)