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Acheilops

Trilobita - Ptychopariida - Catillicephalidae

Taxonomy
Acheilops was named by Ulrich (1931) [Sepkoski's age data: Cm Trep-u Sepkoski's reference number: 379]. It is not extant.

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

Species lacking formal opinion data

Synonymy list
YearName and author
1931Acheilops Ulrich
2002Acheilops Jell and Adrain p. 337
2002Acheilops Sepkoski

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
subclassLibristoma
orderPtychopariidaSwinnerton 1915
familyCatillicephalidaeRaymond 1938
genusAcheilopsUlrich 1931

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. †Acheilops Ulrich 1931
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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: 2009-12-19 03:50:16
Modified: 2009-12-19 05:50:16
Source: f = family, c = class
References: Whittington et al. 1997, Aberhan et al. 2004

Age range: base of the Trempealeauan to the top of the Sunwaptan or 492.50000 to 487.50000 Ma

Collections (11 total)


Time interval Ma Country or state Original ID and collection number
Merioneth497.0 - 485.4USA (Vermont) A. sp. (6870)
Sunwaptan493.5 - 487.5Canada (Alberta) A. montis (54093 54094 81297)
Sunwaptan493.5 - 487.5USA (New York) A. masonensis (85185 85187)
Trempealeauan492.5 - 485.4Canada (Newfoundland and Labrador) A. sp. (105870)
Trempealeauan492.5 - 485.4USA (Wisconsin) A. sp. (256)
Trempealeauan492.5 - 485.4USA (Texas) A. masonensis (216016 219648 219656)