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Stegnopsis erythragora

Trilobita - Asaphida - Asaphidae

Taxonomy
Stegnopsis erythragora was named by Amati (2014). Its type specimen is OU 11853, a cephalon/head (nearly complete, small cranidium), and it is a 3D body fossil. Its type locality is LQ-WF. Lawrence Quarry, which is in an Edenian sand shoal limestone in the Keel Formation of Oklahoma.

Synonymy list
YearName and author
2014Stegnopsis erythragora Amati pp. 23 - 25 figs. Pl. 18, Figs. 4-6; Pl. 19, Figs. 4, 5; Pls. 20, 21

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
subphylumMandibulata
RankNameAuthor
classTrilobitaWalch 1771
subclassLibristomaFortey 1990
orderAsaphidaSalter 1864
superfamilyAsaphoideaSalter 1864
familyAsaphidaeBurmeister 1843
genusStegnopsis
specieserythragora

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.

Diagnosis
ReferenceDiagnosis
L. Amati 2014A species of Stegnopsis with very wide, evenly rounded cranidial border; anterior facial sutures directed abruptly forward just before intersecting to form sharp point. Palpebral lobes large. Librigenae without genal spines in large holaspids. Pygidium with relatively well-defined axial furrows.