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Arcifimbria brevifrons

Trilobita - Corynexochida - Leiostegiidae

Taxonomy
Aposolenopleura brevifrons was named by Rasetti (1944) [Questionably assigned to genus]. Its type specimen is Laval Univ. 1116a, a cephalon/head, and it is a 3D body fossil. It is the type species of Arcifimbria.

It was recombined as Arcifimbria brevifrons by Rasetti (1963).

Synonymy list
YearName and author
1944Aposolenopleura brevifrons Rasetti p. 239
1963Arcifimbria brevifrons Rasetti

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
classTrilobitaWalch 1771
orderCorynexochida
suborderLeiostegiinaBradley 1925
superfamilyLeiostegioideaBradley 1925
familyLeiostegiidaeBradley 1925
genusArcifimbriaRasetti 1963
speciesbrevifrons()

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.

Arcifimbria brevifrons 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: actively mobileo
Life habit: nektobenthico
Diet: carnivoreo
Vision: well-developedf
Created: 2009-12-14 06:30:50
Modified: 2009-12-14 08:30:50
Source: f = family, o = order, c = class
References: Aberhan et al. 2004, Whittington et al. 1997, Hendy et al. 2009

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

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Sunwaptan493.5 - 488.9Canada (Newfoundland and Labrador) Arcifimbria brevifrons (81277 81285)
Trempealeauan490.2 - 486.85Canada (Quebec) Aposolenopleura brevifrons (224136)