| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Tregophis brevirachis was named by Holman (1975). It is not extant. Its type locality is WaKeeny (UM-K6-59), which is in a Clarendonian channel sandstone/claystone in the Ogallala Formation of Kansas.
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Tregophis brevirachis Holman |
| 2010 | Tregophis brevirachis Parmley and Hunter p. 527 |
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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.
†Tregophis brevirachis Holman 1975
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subf = subfamily, c = class, subp = subphylum | |||||
| References: Behler and King 1979, Hendy et al. 2009, Carroll 1988, Greene 1997 | |||||
Age range: Clarendonian or 12.50000 to 9.40000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Clarendonian | USA (Kansas) | Tregophis brevirachis (type locality: 18450) | |
| Late/Upper Clarendonian | USA (Nebraska) | Tregophis brevirachis (18327) |