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Plectrella

Trilobita - Asaphida - Ptychaspididae

Taxonomy
Plectrella was named by Ludvigsen and Westrop (1989) [Sepkoski's age data: Cm u Sepkoski's reference number: ZR90]. It is not extant.

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

Synonymy list
YearName and author
1989Plectrella Ludvigsen and Westrop
2002Plectrella Jell and Adrain p. 427
2002Plectrella Sepkoski

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
subclassLibristoma
orderAsaphidaSalter 1864
superfamilyDikelocephaloidea(Miller 1889)
familyPtychaspididaeRaymond 1924
genusPlectrellaLudvigsen and Westrop 1989

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. †Plectrella Ludvigsen and Westrop 1989
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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-movingo
Life habit: low-level epifaunalo
Diet: carnivorec
Vision: well-developedf
Created: 2009-12-13 23:08:03
Modified: 2009-12-14 01:08:03
Source: f = family, o = order, c = class
References: Whittington et al. 1997, Aberhan et al. 2004, Hendy et al. 2009

Age range: base of the Trempealeauan to the top of the Tremadocian or 490.20000 to 477.10000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Trempealeauan490.2 - 486.85Canada (Yukon) P. yukonensis (55308 55310)
Tremadocian486.85 - 477.1Canada (Newfoundland and Labrador) P. yukonensis (81289)