Description
Up for sale is a substantial 10.25-inch fossil skull bone section from a metoposaurid temnospondyl amphibian (Koskinonodon / Anaschisma sp.) collected from the Late Triassic Chinle Formation of Arizona.
Koskinonodon was a massive, ambush-predator amphibian that reached lengths of 10 feet in the ancient river systems of Triassic North America. This impressive specimen showcases a broad, flared dermal bone profile with a diagnostic pitted and grooved surface texture along the dorsal face.
Specimen Details:
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Taxon: Koskinonodon / Anaschisma sp. (Metoposauridae)
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Element: Partial Skull Roof / Dermal Element
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Length: ~10.25 inches (~26 cm)
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Geological Age: Late Triassic (~210–225 Million Years Old)
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Formation: Chinle Formation
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Locality: Arizona, USA
Highlights:
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Large, substantial size measuring over 10 inches long.
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Natural red-brown and cream Chinle matrix coloration with visible cross-fracture fills.
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Solid, multi-piece assembly with visible pitted/grooved dermal sculpturing.
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Excellent center-piece specimen representing North America’s iconic Triassic giant amphibian.
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