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Peracheilus gibbus

Artiopoda - Ptychopariida - Catillicephalidae

Taxonomy
Acheilus gibbus was named by Rasetti (1944). Its type specimen is GSC 73320 (Laval 1113), a cephalon/head, and it is a 3D body fossil.

It was recombined as Theodenisia gibba by Ludvigsen et al. (1989); it was recombined as Peracheilus gibbus by Whittington (2007).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1944Acheilus gibbus Rasetti p. 238 figs. pl. 36, figs. 40, 41; 1945b, p. 120, pl. 1, figs. 3, 4
1989Theodenisia gibba Ludvigsen et al. p. 44 figs. pl. 32, figs. 6–13
2007Peracheilus gibbus Whittington pp. 1142 - 1143 fig. 4.1–4.7

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaGravenhorst 1843
RankNameAuthor
classArtiopodaHou and Bergstrom
classTrilobitaWalch 1771
subclassLibristoma
orderPtychopariidaSwinnerton 1915
familyCatillicephalidaeRaymond 1938
genusPeracheilus
speciesgibbus()

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.

Peracheilus gibbus Rasetti 1944
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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: Aberhan et al. 2004, Whittington et al. 1997

Age range: base of the Dolgellian to the top of the Sunwaptan or 490.20000 to 488.90000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Merioneth497.0 - 486.85USA (Vermont) Theodenisia gibba (6871)
Sunwaptan493.5 - 488.9Canada (Newfoundland and Labrador) Theodenisia gibba (81271 81272)
Dolgellian490.2 - 486.85Canada (Quebec) Theodenisia gibba (8933)
Trempealeauan490.2 - 486.85Canada (Newfoundland and Labrador) Theodenisia gibba (105858)
Trempealeauan490.2 - 486.85Canada (Quebec) Acheilus gibbus (224137)