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Pyknotylacanthus humboldtensis
Taxonomy
Cosmacanthus humboldtensis was named by Davidson (1919). Its type specimen is UCMP 9162, an osteoderm (fin spine), and it is a 3D body fossil. Its type locality is Straight Canyon, Humboldt Range, which is in an Anisian/Ladinian marine horizon in Nevada.
It was recombined as Pyknotylacanthus humboldtensis by Mutter and Rieber (2005).
It was recombined as Pyknotylacanthus humboldtensis by Mutter and Rieber (2005).
Synonymy list
| Year | Name and author |
|---|---|
| 1919 | Cosmacanthus humboldtensis Davidson p. 433 fig. 1,2 |
| 1923 | Cosmacanthus humboldtenis Jordan and Hanibal pp. 1 - 2 |
| 2005 | Pyknotylacanthus humboldtensis Mutter and Rieber p. 140 |
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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.
†Pyknotylacanthus humboldtensis Davidson 1919
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Diagnosis
No diagnoses are available