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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 Ptychopariida by Sepkoski (2002); and to Ptychaspididae by Jell and Adrain (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
Ecdysozoa
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