| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Anaxyrus
Taxonomy
Anaxyrus was named by Tschudi (1845). It is extant.
It was assigned to Bufonidae by Frost et al. (2006).
It was assigned to Bufonidae by Frost et al. (2006).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1845 | Anaxyrus Tschudi |
| 2006 | Anaxyrus Frost et al. |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subo = suborder, c = class, subp = subphylum, uc = unranked clade | |||||
| References: Uhen 2004, Carroll 1988, Hendy et al. 2009, Kiessling 2004 | |||||
Age range
Maximum range based only on fossils: base of the Late/Upper Pleistocene to the top of the Rancholabrean or 0.12900 to 0.01400 Ma
Minimum age of oldest fossil (stem group age): 0.014 Ma
Minimum age of oldest fossil (stem group age): 0.014 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Irvingtonian - Rancholabrean | USA (California) | Bufo boreas (20323) | |
| Rancholabrean | USA (California) | Bufo boreas (240844) | |
| Rancholabrean (glacial) | USA (California) | Bufo boreas (20624) | |
| Late/Upper Pleistocene (glacial) | USA (California) | Bufo boreas (155393) |