| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Heterodon nasicus (western hognose snake)
Taxonomy
Heterodon nasicus was named by Baird and Girard (1852). It is extant.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1852 | Heterodon nasicus Baird and Girard |
| 1995 | Heterodon nasicus Parmley and Holman p. 85 |
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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.
Heterodon nasicus Baird and Girard 1852 [western hognose snake]
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, c = class, subp = subphylum, uc = unranked clade | |||||
| References: Behler and King 1979, Hendy et al. 2009, Carroll 1988 | |||||
Age range: base of the Late/Upper Hemphillian to the top of the Late/Upper Pleistocene or 10.30000 to 0.01170 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Hemphillian | USA (Arizona) | Heterodon nasicus (19610) | |
| Blancan | USA (Nebraska) | Heterodon nasicus (19954) | |
| Gelasian | USA (Kansas) | Heterodon nasicus (19927) | |
| Irvingtonian | USA (Kansas) | Heterodon nasicus (20167 20293) | |
| Irvingtonian | USA (Oklahoma) | Heterodon nasicus (20157) | |
| Middle Pleistocene | USA (Colorado) | Heterodon nasicus (20359 20360 20361 27638) | |
| Late/Upper Pleistocene (glacial) | USA (Texas) | Heterodon nasicus (76101) | |
| Late/Upper Pleistocene (interglacial) | USA (Kansas) | Heterodon nasicus (20605) |