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names in breadcrumbs
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names in breadcrumbs
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Creatures
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Animal
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Vertebrates
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Lizards And Snakes
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Snakes
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Colubrid Snakes
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Creatures
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Cellular Organisms
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Eukaryotes
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Opisthokonts
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Animal
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Bilateria
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Deuterostomes
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Chordates
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Vertebrates
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Jawed Fish
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Osteichthyes
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Lobe Finned Fishes
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Terrestrial Vertebrates
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Amniotes
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Reptiles
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Diapsid
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Lepidosauromorpha
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Lepidosaur
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Lizards And Snakes
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Snakes
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Alethinophidia
»
Colubrid Snakes
»
Dipsadinae
»
Colubrid Ground Snakes
«
Thickhead Ground Snake
Atractus crassicaudatus (A. M. C. Duméril, Bibron & A. H. A. Duméril 1854)
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USNM 11138 ventral
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NMNH Collection
USNM 11138 dorsal
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NMNH Collection