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Deiracephalus aster

Trilobita - Llanoaspididae

Taxonomy
Acrocephalites aster was named by Walcott (1916). Its type specimen is USNM 61594 and is a 3D body fossil. It is the type species of Deiracephalus.

It was recombined as Deiracephalus aster by Resser (1935).

Synonymy list
YearName and author
1916Acrocephalites aster Walcott p. 178 figs. pi. 26, figs. 9b, 9c
1935Deiracephalus aster Resser p. 22

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
familyLlanoaspididaeLochmann 1944
genusDeiracephalus
speciesaster(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.

†Deiracephalus aster Walcott 1916
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: carnivorec
Vision: well-developedf
Created: 2010-01-04 05:19:24
Modified: 2010-01-04 07:19:24
Source: f = family, c = class
References: Aberhan et al. 2004, Whittington et al. 1997

Age range: base of the Guzhangian to the top of the Dresbachian or 500.50000 to 485.40000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Menevian504.5 - 499.5USA (Utah) Deiracephalus aster (230681)
Guzhangian500.5 - 497.0USA (Texas) Deiracephalus aster (208685 208686)
Dresbachian497.0 - 485.4Canada (Yukon) Deiracephalus aster (55216 55221)