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Cedaria eurycheilos

Trilobita - Olenida - Cedariidae

Cedaria eurycheilos was named by Palmer (1954). Its type specimen is UT-32100, a cephalon/head (cranidium), and it is a 3D body fossil. Its type locality is S-105, which is in a Guzhangian marine sandstone/sandstone in the Riley Formation of Texas.

Sister species lacking formal opinion data

Synonymy list
YearName and author
1954Cedaria eurycheilos Palmer p. 726 figs. Pl 80, fig 5-7

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EubilateriaAx 1987
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
familyCedariidaeRaymond 1937
genusCedariaWalcott 1924

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.

Cedaria eurycheilos Palmer 1954
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No diagnoses are available
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-movingc
Life habit: low-level epifaunalc
Diet: carnivorec
Vision: well-developedf
Created: 2009-06-02 14:44:31
Modified: 2009-06-02 16:44:31
Source: g = genus, f = family, c = class
References: Aberhan et al. 2004, Hendy 2009, Whittington et al. 1997

Age range: Guzhangian or 500.50000 to 497.00000 Ma

Collections (9 total)

Time interval Ma Country or state Original ID and collection number
Guzhangian500.5 - 497.0USA (Texas) Cedaria eurycheilos (208669 208670 208731 208732 type locality: 208733 208765 208767 208768 208769)