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Yuknessaspis benningtonis convexus
Taxonomy
Yuknessaspis benningtonis convexus was named by Sundberg (1994). Its type specimen is LACMIP 11984, a cephalon/head, and it is a 3D body fossil.
Synonymy list
| Year | Name and author |
|---|---|
| 1994 | Yuknessaspis benningtonis convexus Sundberg p. 117 figs. Figure 75 |
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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.
†Yuknessaspis benningtonis convexus Sundberg 1994
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| F. A. Sundberg 1994 | Yuknessaspis benningtonis with cranidium with rounded very weak to moderately strong medial swelling; very strong downsloping preglabellar field and anterior area of fixigena form- ing sharp flexure in front of glabella; slightly tapered glabella; posterior portion of axial furrows deep; moderately to strongly convex anterior border; transversely shorter (100-110% glabellar length) slightly backswept posterior area of fixigenae. |
Measurements
No measurements are available
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| Source: subo = suborder, c = class | |||||
| References: Aberhan et al. 2004, Fortey and Owens 1999 | |||||