Fish jaw
Larger image (18 kb)
Specimen #478
Taxon: Class Osteichthyes
Locality: Lyons, Boulder County, CO
Age: Cretaceous Period, Santonian Stage
Rock unit: Niobrara Formation, Smoky Hill Member
Collector: N. Itano
This is the jaw of a fish, preserving some of the teeth.
It resembles Enchodus sp.
(Small length scale units are mm.)
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Last modified: September 12, 1997. Send comments to
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