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Stegnopsis wellingensis

Trilobita - Asaphida - Asaphidae

Taxonomy
Stegnopsis wellingensis was named by Amati (2014). Its type specimen is OU 11837, a cephalon/head (external mold of 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 Welling Formation of Oklahoma.

Synonymy list
YearName and author
2014Stegnopsis wellingensis Amati pp. 22 - 23 figs. Pl. 17, Fig. 5; Pl. 18, Figs. 1-3, 7; Pl. 19, Figs. 1-3

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
classTrilobitaWalch 1771
subclassLibristoma
orderAsaphidaSalter 1864
superfamilyAsaphoideaSalter 1864
familyAsaphidaeBurmeister 1843
genusStegnopsis
specieswellingensis

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.

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Diagnosis
ReferenceDiagnosis
L. Amati 2014A species of Stegnopsis with facial sutures converging at front of cranidium at low angle; maximum width in front of palpebral lobes close to anterior margin. Convexity of cranidium very high.
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Entire body: yesf
Adult length: 10 to < 100f
Adult width: 10 to < 100f
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingo
Life habit: low-level epifaunalo
Diet: carnivorec
Vision: well-developedf
Created: 2009-06-11 14:38:06
Modified: 2009-12-14 00:45:08
Source: f = family, o = order, c = class
References: Aberhan et al. 2004, Hendy et al. 2009, Hendy 2009

Age range: Edenian or 451.00000 to 450.20000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Edenian451.0 - 450.2USA (Oklahoma) Stegnopsis wellingensis (type locality: 164842)