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Plethopeltis acutus

Artiopoda - Ptychopariida - Plethopeltidae

Taxonomy
Plethometopus acutus was named by Rasetti (1944). Its type specimen is Laval Univ. 1162a, a cephalon/head (cranidium), and it is a 3D body fossil.

It was recombined as Plethopeltis acutus by Ludvigsen et al. (1989).

Sister species lacking formal opinion data
Entered
by M. Hopkins on 2022-01-19

Synonymy list
YearName and author
1944Plethometopus acutus Rasetti p. 251 figs. Plate 39, fig. 30, 31
1989Plethopeltis acutus Ludvigsen et al.

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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
familyPlethopeltidaeRaymond 1925
genusPlethopeltisRaymond 1913
speciesacutus()

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.

Plethopeltis acutus Rasetti 1944
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Entire body: yesg
Adult length: 10 to < 100g
Adult width: 10 to < 100g
Spines: noneg
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: carnivorec
Vision: well-developedg
Created: 2009-06-11 07:53:19
Modified: 2010-01-02 11:02:31
Source: g = genus, c = class
References: Hendy 2009, Aberhan et al. 2004

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

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Sunwaptan493.5 - 488.9Canada (Newfoundland and Labrador) Plethopeltis acutus (81277)
Dolgellian490.2 - 486.85Canada (Quebec) Plethometopus acutus (8934)
Trempealeauan490.2 - 486.85Canada (Quebec) Plethometopus acutus (224135 224146)