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Gasterocoma bicaula

Crinoidea - Cyathocrinida - Gasterocomidae

Taxonomy
Gasterocoma bicaula was named by Johnson and Lane (1969). It is not extant. Its type specimen is USNM 160178 (dorsal cup). Its type locality is Lone Mountain Locality #556, which is in a Devonian marine limestone in Nevada.

Sister species lacking formal opinion data

Synonymy list
YearName and author
1969Gasterocoma bicaula Johnson and Lane

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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
superorderCyathoformes
orderCyathocrinida(Bather 1899)
superfamilyGasterocomaceaRoemer 1854
familyGasterocomidaeRoemer 1854
genusGasterocomaGoldfuss 1839
speciesbicaula

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.

Gasterocoma bicaula Johnson and Lane 1969
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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: Kiessling 2004, Aberhan 1992, Hendy et al. 2009

Age range: base of the Emsian to the top of the Zlichovian or 410.62000 to 393.47000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Devonian419.62 - 393.47USA (Nevada) Gasterocoma bicaula (type locality: 123279)
Zlichovian410.62 - 393.47Canada (Yukon) Gasterocoma bicaula (81646 81647 81648)
Emsian - Eifelian410.62 - 387.95Canada (Ontario) Gasterocoma bicaula (40039)