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Bristolia bristolensis

Trilobita - Redlichiida - Biceratopsidae

Taxonomy
Mesonacis bristolensis was named by Resser (1928). Its type specimen is USNM 78390, 78391, 78392 and is a 3D body fossil. It is the type species of Bristolia.

It was recombined as Olenellus bristolensis by Riccio (1952); it was recombined as Bristolia bristolensis by Harrington (1956), Palmer and Halley (1979), Palmer and Repina (1993), Lieberman (1999).

Synonymy list
YearName and author
1928Mesonacis bristolensis Resser p. 7 figs. Plate 2, figs. 5-8
1952Olenellus bristolensis Riccio p. 29 figs. Plate 7, figures 1, 2, and 5; Plate 8, figure 1-11
1956Bristolia bristolensis Harrington p. 59
1979Bristolia bristolensis Palmer and Halley p. 64 figs. Plate 1, figures 14-19
1993Bristolia bristolensis Palmer and Repina p. 24
1999Bristolia bristolensis Lieberman p. 121

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
classTrilobitaWalch 1771
orderRedlichiidaRichter 1932
suborderOlenellina
superfamilyOlenelloidea
familyBiceratopsidae
subfamilyBristoliinae
genusBristolia
speciesbristolensis()

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.

Bristolia bristolensis Resser 1928
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Entire body: yesg
Adult length: 10 to < 100g
Adult width: 10 to < 100g
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingo
Life habit: low-level epifaunalo
Diet: deposit feedero
Created: 2009-06-02 14:44:05
Modified: 2009-06-02 16:44:05
Source: g = genus, o = order, c = class
References: Hendy et al. 2009, Aberhan et al. 2004, Hendy 2009

Age range: Dyeran or 515.30000 to 509.70000 Ma

Collections (15 total)


Time interval Ma Country or state Original ID and collection number
Dyeran515.3 - 509.7USA (Nevada) Bristolia bristolensis (149576)
Dyeran515.3 - 509.7USA (California) Bristolia bristolensis (10608 10609 10610 149610 149628 149647 149648 149693 149694 149698 219695) Mesonacis bristolensis (219694) Olenellus bristolensis (192036)
Dyeran515.3 - 509.7Mexico (Sonora) Bristolia bristolensis (90559)