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Tetragonocrinida

Crinoidea - Tetragonocrinida

Taxonomy
Tetragonocrinida was named by Ausich (1998). It is not extant.

It was assigned to Disparida by Ausich (1998); and to Disparida by Wright et al. (2017).

Synonymy list
YearName and author
1998Tetragonocrinida Ausich p. 17
2017Tetragonocrinida Wright et al. p. 842

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumBlastozoa
RankNameAuthor
classCrinoideaMiller 1821
subclassPentacrinoideaJaekel 1918
infraclassInadunata(Wachsmuth and Springer 1897)
superorderDisparida(Moore and Laudon 1943)
orderTetragonocrinida
orderTetragonocrinida

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.

Or. †Tetragonocrinida Ausich 1998
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Fm. †Tetragonocrinidae Stukalina 1980
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G. †Ramseyocrinus Bates 1968
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†Ramseyocrinus argentinus Guensburg and Waisfeld 2015
G. †Tetragonocrinus Yeltyscheva 1964
Invalid names: Ramseyocrinidae Donovan 1984 [synonym]
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: 2004-02-28 16:34:13
Modified: 2009-10-09 13:33:22
Source: subc = subclass, c = class, p = phylum
References: Kiessling 2004, Aberhan 1992, Aberhan et al. 2004

Age range: base of the Whitlandian to the top of the Arenig or 473.80000 to 466.00000 Ma

Collections (9 total)


Time interval Ma Country or state Original ID and collection number
Arenig478.6 - 466.0United Kingdom (Wales) Ramseyocrinus sp. (426)
Floian477.7 - 470.0Morocco Ramseyocrinus sp. (235491)
Floian477.7 - 470.0Argentina Ramseyocrinus argentinus (179575)
Whitlandian473.8 - 470.7United Kingdom (Wales) Ramseyocrinus cambriensis (3713 3714 166753)
Whitlandian473.8 - 470.7United Kingdom Dendrocrinus cambriensis (166616 166617)
Oretanian468.0 - 459.0Spain (Toledo) Ramseyocrinus sp. (20898)