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Dicamptodontidae (giant salamander)
Taxonomy
Dicamptodontidae was named by Tihen (1958) [also attributed to Edwards 1976]. It is extant.
It was considered an invalid subgroup of Ambystomatoidea by Naylor and Krause (1981).
It was assigned to Caudata by Frank and Ramus (1996); and to Ambystomatoidea by Estes (1981), Carroll (1988) and Gao and Shubin (2001).
It was considered an invalid subgroup of Ambystomatoidea by Naylor and Krause (1981).
It was assigned to Caudata by Frank and Ramus (1996); and to Ambystomatoidea by Estes (1981), Carroll (1988) and Gao and Shubin (2001).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1958 | Dicamptodontidae Tihen |
| 1981 | Dicamptodontidae Estes |
| 1988 | Dicamptodontidae Carroll |
| 1996 | Dicamptodontidae Frank and Ramus |
| 2001 | Dicamptodontidae Gao and Shubin p. 576 |
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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.
Fm. Dicamptodontidae Tihen 1958 [giant salamander]
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G. Dicamptodon Strauch 1870 [Pacific giant salamander]
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†Dicamptodon antiquus Naylor and Fox 1993
Dicamptodon ensatus Eschscholtz 1833 [California giant salamander]
Subfm. †Dicamptodontinae Tihen 1958
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Invalid names: Rhyacotritoninae Tihen 1958 [empty]
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: Hendy et al. 2009, Carroll 1988, Uhen 2004 | |||||
Age range
Maximum range based only on fossils: base of the Late/Upper Paleocene to the top of the Late/Upper Pleistocene or 58.70000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 56.0 Ma
Minimum age of oldest fossil (stem group age): 56.0 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Paleocene | Canada (Alberta) | Dicamptodon antiquus (24926) | |
| Late/Upper Paleocene | Canada (Alberta) | Dicamptodon antiquus (133214) | |
| Wasatchian | USA (North Dakota) | Chrysotriton tiheni (15895) | |
| Late/Upper Pleistocene (glacial) | USA (California) | Dicamptodon ensatus (155393) |