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Pteroparia extrema

Trilobita - Proetida - Tropidocoryphidae

Taxonomy
Pteroparia extrema was named by Feist and McNamara (2013). Its type specimen is WAM 11.208, a cephalon/head, and it is a 3D body fossil.

Synonymy list
YearName and author
2013Pteroparia extrema Feist and McNamara pp. 248-249 figs. 5P, R-Y

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
classTrilobitaWalch 1771
orderProetidaFortey and Owens 1975
superfamilyProetoideaHawle and Corda 1847
familyTropidocoryphidaePribyl 1946
subfamilyPteropariinae
genusPteroparia
speciesextrema

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.

†Pteroparia extrema Feist and McNamara 2013
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Diagnosis
ReferenceDiagnosis
R. Feist and K. J. McNamara 2013Cephalon with semicircular outline, short gla- bella, very short palpebral suture, fixigenae that extend far backward and minute librigenae without eye or ocular furrow. Pygidium short; axis with well-defined first axial ring, laterally not protruding.