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Pachyrhachis
Taxonomy
Pachyrhachis was named by Haas (1979). It is not extant.
It was assigned to Ophidia by Caldwell and Lee (1997); to Pachyophidae by Lee et al. (1999); to Ophidia by Lee and Scanlon (2002); to Macrostomata by Rieppel et al. (2003); to Alethinophidia by Longrich et al. (2012); and to Ophidia by Palci et al. (2013).
It was assigned to Ophidia by Caldwell and Lee (1997); to Pachyophidae by Lee et al. (1999); to Ophidia by Lee and Scanlon (2002); to Macrostomata by Rieppel et al. (2003); to Alethinophidia by Longrich et al. (2012); and to Ophidia by Palci et al. (2013).
Synonymy list
| Year | Name and author |
|---|---|
| 1979 | Pachyrhachis Haas |
| 1997 | Pachyrhachis Caldwell and Lee |
| 1999 | Pachyrhachis Lee et al. |
| 2002 | Pachyrhachis Lee and Scanlon |
| 2003 | Pachyrhachis Rieppel et al. |
| 2012 | Pachyrhachis Longrich et al. |
| 2013 | Pachyrhachis Palci et al. p. 1335 |
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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.
G. †Pachyrhachis Haas 1979
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Diagnosis
No diagnoses are available