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Oryctocephalites rasettii
Taxonomy
Oryctocephalites rasettii was named by Sundberg and McCollum (1997). Its type specimen is USNM 493383 and is a 3D body fossil. Its type locality is USNM Locality 41077, which is in a Delamaran marine horizon in the Pioche Shale Formation of Nevada.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1997 | Oryctocephalites rasettii Sundberg and McCollum p. 1082 figs. Figure 14.1-14.6 |
| 2000 | Oryctocephalites rasetti Sundberg and McCollum |
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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.
†Oryctocephalites rasettii Sundberg and McCollum 1997
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| F. A. Sundberg and L. B. McCollum 1997 | Cranidium with medially expanded glabella, cir cular glabellar pits at the SI to S2 positions, slit-shaped pits at So and S3, SI transglabellar furrow present or absent, longitu dinal furrows absent, S3 extending to axial furrows, and occip ital ring without longitudinal furrows. Nine thoracic segments each with long, cylindrical spine. Pygidium with 3 pairs of cy lindrical spines. |