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Distyrax

Artiopoda - Phacopida - Encrinuridae

Taxonomy
Distyrax was named by Lane (1988) [Sepkoski's age data: S Ldov-m S Ldov-u]. It is not extant.

It was assigned to Phacopida by Sepkoski (2002); and to Encrinuridae by Jell and Adrain (2002).

Species
Species lacking formal opinion data

Synonymy list
YearName and author
1988Distyrax Lane
2002Distyrax Jell and Adrain p. 367
2002Distyrax Sepkoski

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaGravenhorst 1843
RankNameAuthor
classArtiopodaHou and Bergstrom
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderCheirurinaHarrington and Leanza 1957
familyEncrinuridaeAngelin 1854
genusDistyraxLane 1988

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. †Distyrax Lane 1988
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Distyrax maccormicki Chatterton and Ludvigsen 2004
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Entire body: yesf
Adult length: 10 to < 100f
Adult width: 10 to < 100f
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: carnivorec
Created: 2009-06-11 14:51:52
Modified: 2009-06-11 16:52:10
Source: f = family, c = class
References: Aberhan et al. 2004, Hendy 2009

Age range: base of the Aeronian to the top of the Telychian or 440.50000 to 432.90000 Ma

Collections (22 total)


Time interval Ma Country or state Original ID and collection number
Llandovery443.1 - 432.9Canada (Northwest Territories) D. cooperi (26039) D. sp. (26036)
Aeronian440.5 - 438.6Canada (Quebec) D. sp. (186048 187766)
Telychian438.6 - 432.9Canada (Quebec) D. maccormicki (184641 186043 186044 186053 186055 186074 186086 186087 187769) D. sp. (185538 187773)
Telychian438.6 - 432.9Canada (Northwest Territories) D. cooperi (26033) D. sp. (26030)
Telychian438.6 - 432.9USA (Wisconsin) D. sp. (76451 91415)
Telychian438.6 - 432.9Canada (Québec) D. sp. (238856)
Telychian - Sheinwoodian438.6 - 430.6Sweden (Gotland) D. sp. (238671 238743)