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Cedaria brevifrons

Trilobita - Olenida - Cedariidae

Cedaria brevifrons was named by Palmer (1962). Its type specimen is USNM 143159a, a cephalon/head (cranidium), and it is a 3D body fossil. Its type locality is Duck Creek [Raiff Limestone], which is in a Dresbachian marine limestone in the Raiff Limestone Formation of Nevada.

Sister species lacking formal opinion data

Synonymy list
YearName and author
1962Cedaria brevifrons Palmer pp. F-26 figs. Pl. 3, fig. 8

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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 brevifrons Palmer 1962
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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: Whittington et al. 1997, Hendy 2009, Aberhan et al. 2004

Age range: Dresbachian or 501.00000 to 485.40000 Ma

Collections (2 total)

Time interval Ma Country or state Original ID and collection number
Dresbachian501.0 - 485.4USA (Nevada) Cedaria brevifrons (type locality: 10505)
Dresbachian501.0 - 485.4Canada (Yukon) Cedaria brevifrons (55279)