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Yuknessaspis benningtonis benningtonis
Taxonomy
Yuknessaspis benningtonis benningtonis was named by Sundberg (1994). Its type specimen is LACMIP 11983, a cephalon/head, and it is a 3D body fossil.
Synonymy list
| Year | Name and author |
|---|---|
| 1994 | Yuknessaspis benningtonis benningtonis Sundberg p. 117 figs. Figure 74 |
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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 benningtonis Sundberg 1994
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| F. A. Sundberg 1994 | Yuknessaspis benningtonis with cranidium with sagittally elongate, low, medial swelling; very strong to moderately strong down- sloping preglabellar field and anterior area of fixi- gena; slightly tapered glabella; posterior portion of axial furrows shallow; slightly convex anterior bor- der; transversely long (115-155% glabellar length), anteriorly bent posterior area of fixigenae. |
Measurements
No measurements are available
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| Source: subo = suborder, c = class | |||||
| References: Fortey and Owens 1999, Aberhan et al. 2004 | |||||
Collections
No collection or age range data are available