Sonoran Lyre Snake
Trimorphodon lambda
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- T. lambda – Maricopa Co, AZ – photo by Will Wells
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- T. lambda – Maricopa Co, AZ – photo by Will Wells
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- T. lambda – Maricopa Co, AZ – photo by Will Wells
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- T. lambda – Pima Co, AZ – photo by Alex Porteck
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- T. lambda – Yuma Co, AZ – photo by Will Wells
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- Map by Steve Bledsoe, SWCHR
DISTRIBUTION: In our region, Trimorphodon lambda occurs throughout Arizona south of the Mogollon Rim ranges, in the northeastern desert region of Arizona, extreme southern Nevada and eastern California.
LEGAL STATUS: No Listings
MEANING OF SCIENTIFIC NAME: Trimorphodon lambda (Cope – 1886)
Genus: Trimorphodon, Greek – tri = three + morph = shape + odon = tooth
Species: lambda, Greek = a letter in Greek alphabet – ref. chevron shape marking on head (which also resembles the harp-like Greek lyre which is where the snake got its common name)
Ref. Ellen Beltz 2006
Ref. E. Jaeger 1962