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Oracanthus trigonalis
Taxonomy
Pnigeacanthus trigonalis was named by Saint John and Worthen (1883). It is considered to be a form taxon.
It was recombined as Oracanthus trigonalis by Hay (1902).
It was recombined as Oracanthus trigonalis by Hay (1902).
Synonymy list
| Year | Name and author |
|---|---|
| 1883 | Pnigeacanthus trigonalis Saint John and Worthen |
| 1902 | Oracanthus trigonalis Hay p. 335 |
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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.
†Oracanthus trigonalis Saint John and Worthen 1883
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, subp = subphylum | |||||
| References: Carroll 1988, Whittington et al. 1997, Aberhan et al. 2004 | |||||
Collections
No collection or age range data are available