Lower Turonian (Upper Cretaceous) Watinoceras devonenseZone ammonite fauna in Colorado, U S A

Author: Kennedy W.J.   Cobban W.A.   Elder W.P.   Kirkland J.I.  

Publisher: Academic Press

ISSN: 0195-6671

Source: Cretaceous Research, Vol.20, Iss.5, 1999-10, pp. : 629-639

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Abstract