Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Elgaria was named by Gray (1838). It is extant.
It was synonymized subjectively with Gerrhonotus by McDowell and Bogert (1954).
It was assigned to Anguidae by Brattstrom (1955) and Frank and Ramus (1996).
It was synonymized subjectively with Gerrhonotus by McDowell and Bogert (1954).
It was assigned to Anguidae by Brattstrom (1955) and Frank and Ramus (1996).
Species
Synonymy list
Year | Name and author |
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1838 | Elgaria Gray |
1955 | Elgaria Brattstrom p. 139 |
1996 | Elgaria Frank and Ramus |
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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.
G. Elgaria Gray 1838 [alligator lizard]
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Elgaria coerulea Wiegmann 1828 [Northern alligator lizard]
Elgaria kingii Gray 1838 [Madrean alligator lizard]
Elgaria multicarinata Blainville 1835 [southern alligator lizard]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: f = family, c = class, subp = subphylum, uc = unranked clade | |||||
References: Behler and King 1979, Carroll 1988, Hendy et al. 2009 |
Age range
Maximum range based only on fossils: base of the Hemingfordian to the top of the Late/Upper Pleistocene or 20.43000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 15.97 Ma
Minimum age of oldest fossil (stem group age): 15.97 Ma
Collections (4 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Hemingfordian | USA (Wyoming) | Elgaria sp. (19073) | |
Late/Upper Pleistocene | USA (California) | Elgaria multicarinata (79630 155409) Elgaria sp. (106400) |