| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Heterodon plionasicus
Taxonomy
Heterodon plionasicus was named by Peters (1953). It is not extant.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1953 | Heterodon plionasicus Peters |
| 1984 | Heterodon plionasicus Rage p. 48 |
| 1995 | Heterodon plionasicus 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 plionasicus Peters 1953
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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: Carroll 1988, Hendy et al. 2009, Behler and King 1979 | |||||
Age range: base of the Late/Upper Hemphillian to the top of the Blancan or 10.30000 to 1.80000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Hemphillian | USA (Oklahoma) | Heterodon plionasicus (18076) | |
| Blancan | USA (Kansas) | Heterodon plionasicus (19931 19936 19940) |