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Distyrax

Trilobita - 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 Encrinuridae by Jell and Adrain (2002); and to Phacopida by Sepkoski (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
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou 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: Hendy 2009, Aberhan et al. 2004

Age range: base of the Aeronian to the top of the Telychian or 440.80000 to 433.40000 Ma

Collections (18 total)


Time interval Ma Country or state Original ID and collection number
Llandovery443.4 - 433.4Canada (Northwest Territories) D. cooperi (26039) D. sp. (26036)
Aeronian440.8 - 438.5Canada (Quebec) D. sp. (186048 187766)
Telychian438.5 - 433.4Canada (Quebec) D. maccormicki (184641 186043 186044 186053 186055 186074 186086 186087 187769) D. sp. (185538 187773)
Telychian438.5 - 433.4USA (Wisconsin) D. sp. (76451)
Telychian438.5 - 433.4Canada (Northwest Territories) D. cooperi (26033) D. sp. (26030)