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Coosia

Trilobita - Ptychopariida - Crepicephalidae

Taxonomy
Coosia was named by Walcott (1911) [Sepkoski's age data: Cm Dres-l Sepkoski's reference number: 80,379].

It was assigned to Ptychopariida by Sepkoski (2002); and to Crepicephalidae by Jell and Adrain (2002).

Species
C. alethes, C. longocula, C. pernamagna
Species lacking formal opinion data
C. albertensis, C. pustulata

Synonymy list
YearName and author
1911Coosia Walcott
2002Coosia Jell and Adrain p. 360
2002Coosia Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
subclassLibristoma
orderPtychopariidaSwinnerton 1915
familyCrepicephalidae
genusCoosiaWalcott 1911

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. †Coosia Walcott 1911
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†Coosia alethes Walcott 1916
†Coosia longocula Palmer 1962
†Coosia pernamagna Wilson 1954
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
Ribbing: noneg
Spines: noneg
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: carnivorec
Vision: well-developedf
Created: 2009-02-26 12:12:25
Modified: 2009-02-26 14:12:25
Source: g = genus, f = family, c = class
References: Aberhan et al. 2004, Hendy 2009

Age range: base of the Guzhangian to the top of the Paibian or 500.50000 to 494.00000 Ma

Collections (58 total)


Time interval Ma Country or state Original ID and collection number
Cambrian538.8 - 485.4USA (Georgia) C. superba (164675)
Cambrian538.8 - 485.4USA (Wisconsin) C. sp. (230 268)
Cambrian538.8 - 485.4USA (South Dakota) C. sp. (231)
Marjumian504.5 - 497.0USA (Texas) C. pernamagna (228 78734)
Guzhangian500.5 - 497.0China (Jiangsu) C. sp. (127376)
Guzhangian500.5 - 497.0Canada (Newfoundland) C. sp. (198256)
Guzhangian500.5 - 497.0USA (Texas) C. albertensis (208618 208620 208621 208675 208705 208708 208726 208750 208984) C. connata (208668 208761 208852)
Guzhangian500.5 - 497.0China (Henan) C. sp. 1, C. sp. 2 (127078)
Paibian497.0 - 494.0USA (Texas) C. albertensis (208657)
Steptoean497.0 - 493.5USA (Virginia) C. alethes (6960)
Dresbachian497.0 - 485.4USA (South Dakota) C. albertensis (8936) C. alethes (7182 7183 7184 7186 7190 7193 7199 7200 7201 7277 7284 7285 7286 7287 7294 7374 7375 7396 7400 7402 7403 7404 7686 8021 8023 8082)
Dresbachian497.0 - 485.4USA (Wyoming-Montana) C. sp. (233)
Dresbachian497.0 - 485.4USA (Wyoming) C. alethes (8081)
Dresbachian497.0 - 485.4Canada (Yukon) C. sp. (55215)
Dresbachian497.0 - 485.4USA (Nevada) C. sp., C. longocula (10505)
Merioneth497.0 - 485.4USA (Pennsylvania) C. pustulata (77688 77689) C. sp. (77676 77687)