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Tricrepicephalus coria

Artiopoda - Ptychopariida - Tricrepicephalidae

Taxonomy
Crepicephalus coria was named by Walcott (1916) [= Tricrepicephalus texanus (Shumard). PRATT, 1992, p. 62, pl. 21, figs. 1–7 (synonymy to date). Tricrepicephalus sp. STITT, 1998, p. 1042, fig. 7.27.].

It was recombined as Tricrepicephalus coria by Palmer (1954), Stitt and Perfetta (2000).

Sister species lacking formal opinion data
T. arcuatus, T. cedarensis, T. conia, T. simplex, T. teres

Synonymy list
YearName and author
1916Crepicephalus coria Walcott p. 206 figs. 206, pl. 33, figs. 3, 3a-g
1954Tricrepicephalus coria Palmer p. 755 figs. Plate 81, figures 1-4, 6
2000Tricrepicephalus coria Stitt and Perfetta p. 212 fig. 9.20–9.27

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaGravenhorst 1843
RankNameAuthor
classArtiopodaHou and Bergstrom
classTrilobitaWalch 1771
subclassLibristoma
orderPtychopariidaSwinnerton 1915
familyTricrepicephalidae
genusTricrepicephalusKobayashi 1935
speciescoria(Walcott 1916)

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.

†Tricrepicephalus coria Walcott 1916
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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: 100 to < 1000g
Adult width: 10 to < 100g
Ribbing: noneg
Spines: minorg
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: carnivorec
Vision: well-developedf
Created: 2009-02-26 12:10:07
Modified: 2009-02-26 14:10:07
Source: g = genus, f = family, c = class
References: Aberhan et al. 2004, Hendy 2009, Whittington et al. 1997

Age range: base of the Guzhangian to the top of the Paibian or 500.50000 to 494.20000 Ma

Collections (54 total)


Time interval Ma Country or state Original ID and collection number
Marjumian504.5 - 497.0USA (Texas) Tricrepicephalus coria (208618 208620 208621 208659 208675 208704 208726 208844 208984)
Guzhangian500.5 - 497.0USA (Texas) Tricrepicephalus coria (208645 208647 208648 208660 208661 208662 208668 208678 208681 208683 208684 208685 208686 208755 208759 208760 208850 208986 208987)
Paibian497.0 - 494.2USA (Texas) Tricrepicephalus coria (208657 208674)
Dresbachian497.0 - 486.85USA (Wyoming) Tricrepicephalus coria (8076 8956)
Dresbachian497.0 - 486.85USA (South Dakota) Tricrepicephalus coria (7182 7183 7188 7190 7191 7193 7199 7200 7201 7277 7285 7375 7396 7402 7403 7404 7682 7683 7684 8020 8021 8023)