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Pentacrinus ariakensis

Crinoidea - Isocrinida - Pentacrinitidae

Taxonomy
Pentacrinus ariakensis was named by Yokoyama (1911). It is a 3D body fossil. Its type locality is Manda, Miike Coal-field (403 feet depth), which is in a Bartonian marine sandstone in Japan.

Sister species lacking formal opinion data

Synonymy list
YearName and author
1911Pentacrinus ariakensis Yokoyama p. 5 figs. Pl 1, fig 6
1928Pentacrinus ariakensis Nagao p. 101

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumBlastozoa
classCrinoideaMiller 1821
subclassPentacrinoideaJaekel 1918
RankNameAuthor
infraclassInadunata(Wachsmuth and Springer 1897)
Cladida(Moore and Laudon 1943)
Eucladida
infraorderArticulata(Miller 1821)
orderIsocrinidaSieverts-Doreck 1952
suborderPentacrinitinaGray 1842
familyPentacrinitidaeGray 1842
genusPentacrinusBlumenbach 1804
speciesariakensis

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.

Pentacrinus ariakensis Yokoyama 1911
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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: stationaryg
Attached: yesg
Life habit: epifaunalg
Diet: suspension feederg
Vision: blindc
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2009-04-13 11:10:21
Modified: 2009-04-13 13:10:21
Source: g = genus, c = class, p = phylum
References: Hendy et al. 2009, Aberhan 1992, Kiessling 2004

Age range: Bartonian or 41.30000 to 38.00000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Bartonian41.3 - 38.0Japan Pentacrinus ariakensis (type locality: 179902)
Bartonian - Priabonian41.3 - 33.9Japan (Kumamoto) Pentacrinus ariakensis (138445)