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Trachycheilus whirlwindensis
Taxonomy
Trachycheilus whirlwindensis was named by Sundberg (1994). Its type specimen is LACMIP 11876, a cephalon/head, and it is a 3D body fossil.
Subspecies
Synonymy list
| Year | Name and author |
|---|---|
| 1994 | Trachycheilus whirlwindensis Sundberg pp. 82 - 84 figs. Figures 51, 52 |
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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.
†Trachycheilus whirlwindensis Sundberg 1994
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†Trachycheilus whirlwindensis drumensis Sundberg 1994
†Trachycheilus whirlwindensis whirlwindensis Sundberg 1994
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| F. A. Sundberg 1994 | Trachycheilus with small subpen- tagonal cranidium with sagittally narrow to wide (65-85% frontal area) and transversely wide (55- 75% cranidial width) anterior border, no or very slight median inbend; glabella with moderate depth axial and lateral glabellar furrows, slightly flattened to flattened frontal lobe; smooth exoskeleton, nodes present or absent on posterior border. Pygidium subelliptical with moderately to weakly convex anterior and posterior bands, smooth surface. |
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Hendy 2009, Aberhan et al. 2004 | |||||