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Trilobita - Llanoaspididae

Deiracephalus was named by Resser (1935) [Sepkoski's age data: Cm Dres-l Sepkoski's reference number: 80,379]. Its type is Acrocephalites aster.

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

Synonymy list
YearName and author
1935Asteraspis Kobayashi
1935Deiracephalus Resser pp. 21 - 22
2002Deiracephalus Jell and Adrain p. 364
2002Deiracephalus Sepkoski

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EubilateriaAx 1987
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
familyLlanoaspididaeLochmann 1944

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. †Deiracephalus Resser 1935
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Deiracephalus aster Walcott 1916
Deiracephalus buttsi Resser 1935
Deiracephalus unicornis Palmer 1962
Invalid names: Asteraspis Kobayashi 1935 [objective synonym]
No diagnoses are available
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: Whittington et al. 1997, Aberhan et al. 2004

Age range: base of the Menevian to the top of the Furongian or 513.00000 to 485.40000 Ma

Collections (9 total)

Time interval Ma Country or state Original ID and collection number
Menevian513.0 - 501.0USA (Utah) D. aster (230681)
Marjumian513.0 - 498.5USA (Alabama) D. unicornis (75640)
Dresbachian501.0 - 485.4Canada (Yukon) D. aster (55216 55221) D. unicornis (55222 55279)
Guzhangian500.5 - 497.0USA (Texas) D. aster (208685 208686)
Furongian497.0 - 485.4USA (Utah) D. sp. (156427)