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Heloderma (beaded lizard)
Taxonomy
Heloderma was named by Wiegmann (1829). It is extant. Its type is Trachyderma horridum. It is the type genus of Helodermatidae. It was considered monophyletic by Lee and Caldwell (2000).
It was assigned to Helodermatidae by Galbreath (1953), Kuhn (1966), Estes (1983) and Carroll (1988); to Helodermidae by Cope (1875), Hay (1930) and Frank and Ramus (1996); to Varanoidea by Lee and Caldwell (2000); and to Monstersauria by Yi and Norell (2013).
It was assigned to Helodermatidae by Galbreath (1953), Kuhn (1966), Estes (1983) and Carroll (1988); to Helodermidae by Cope (1875), Hay (1930) and Frank and Ramus (1996); to Varanoidea by Lee and Caldwell (2000); and to Monstersauria by Yi and Norell (2013).
Species
Synonyms
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Synonymy list
Year | Name and author |
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1829 | Trachyderma Wiedmann p. 240 |
1829 | Heloderma Wiegmann |
1875 | Heloderma Cope p. 47 |
1930 | Heloderma Hay p. 253 |
1953 | Heloderma Galbreath p. 39 |
1966 | Heloderma Kuhn p. 57 |
1983 | Heloderma Estes |
1988 | Heloderma Carroll |
1996 | Heloderma Frank and Ramus |
2000 | Heloderma Lee and Caldwell |
2013 | Heloderma Yi and Norell |
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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. Heloderma Wiegmann 1829 [beaded lizard]
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Heloderma horridum Wiegmann 1829 [Beaded lizard]
Heloderma suspectum Cope 1869 [Gila monster]
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Heloderma suspectum suspectum Cope 1869 [Reticulated gila monster]
Heloderma suspectum cinctum Bogert and Martin del Campo 1956 [Banded gila monster]
†Heloderma texana Stevens 1977
Invalid names: Trachyderma Wiedmann 1829 [replaced]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: superf = superfamily, c = class, subp = subphylum, uc = unranked clade | |||||
References: Hendy et al. 2009, Carroll 1988, Pianka and Vitt 2003 |
Age range
Maximum range based only on fossils: base of the Ludlow to the top of the Late/Upper Pleistocene or 427.40000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 423.0 Ma
Minimum age of oldest fossil (stem group age): 423.0 Ma
Collections (7 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Ludlow | United Kingdom (Wales) | Keilorites sp. (74805) | |
Harrisonian | USA (Texas) | Heloderma texana (17768) | |
Early/Lower Barstovian | USA (Florida) | Heloderma sp. (18549) | |
Late/Upper Hemphillian - Blancan | USA (Tennessee) | Heloderma sp. (26574) | |
Irvingtonian | USA (California) | Heloderma sp. (26548) | |
Late/Upper Pleistocene | USA (Nevada) | Heloderma suspectum (99602) | |
Late/Upper Pleistocene - Holocene (late glacial) | USA (Arizona) | Heloderma suspectum (93374) |