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Bridgerocrinus

Crinoidea - Dendrocrinida - Bridgerocrinidae

Taxonomy
Bridgerocrinus was named by Laudon and Severson (1953) [Sepkoski's age data: D Fame-l C Tour-u Sepkoski's reference number: 1247]. It is not extant. It is the type genus of Bridgerocrinidae.

It was assigned to Scytalocrinidae by Ubaghs et al. (1978), Arendt (1981); to Cladida by Sepkoski (2002); to Bridgerocrinidae by Webster and Lane (2007); and to Articuliformes by Wright (2017).

Species lacking formal opinion data

Synonymy list
YearName and author
1953Bridgerocrinus Laudon and Severson
1978Bridgerocrinus Ubaghs et al. p. T640
1981Bridgerocrinus Arendt p. 5
2002Bridgerocrinus Sepkoski
2007Bridgerocrinus Webster and Lane p. 957
2017Bridgerocrinus Wright

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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)
Eucladida
superorderCyathoformes
orderDendrocrinida
familyBridgerocrinidae
genusBridgerocrinusLaudon and Severson 1953

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. †Bridgerocrinus Laudon and Severson 1953
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Bridgerocrinus arachnoideus Whidborne 1898
Bridgerocrinus discus Waters et al. 2003
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: Early/Lower Famennian or 372.15000 to 368.50000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Famennian372.15 - 368.5China (Xinjiang) B. minutus, B. delicatulus (3562)
Famennian372.15 - 358.86China (Xinjiang) B. discus (124085)