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Aexitrophocrinus

Crinoidea - Sagenocrinida - Dactylocrinidae

Taxonomy
Aexitrophocrinus is a genus. It is not extant.

It was assigned to Sagenocrinida by Sepkoski (2002); and to Dactylocrinidae by Webster et al. (2009).

Species lacking formal opinion data
Entered
by J. Sepkoski on 2003-01-23

Synonymy list
YearName and author
2002Aexitrophocrinus Sepkoski
2009Aexitrophocrinus Webster et al. p. 248

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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)
superorderFlexibilia(Zittel 1895)
orderSagenocrinidaSpringer 1913
superfamilySagenocrinoidea(Bassler 1938)
familyDactylocrinidaeBather 1899
genusAexitrophocrinus

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.

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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 17:17:44
Modified: 2004-02-28 19:17:44
Source: o = order, subc = subclass, c = class, p = phylum
References: Kiessling 2004, Aberhan et al. 2004, Aberhan 1992, Hendy et al. 2009

Age range: base of the Asbian to the top of the Moscovian or 339.90000 to 307.00000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Asbian339.9 - 335.9United Kingdom A. jaekeli (90831)
Brigantian335.9 - 330.3United Kingdom A. strimplei (90822 90825 90830)
Moscovian315.2 - 307.0China (Xinjiang) A. sp. (92636)