Zonal and Sub-Zonal Ammonites
Stoliczkaia
(Stoliczkaia) dispar - Zone
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Zonal Ammonite Stoliczkaia (Stoliczkaia) dispar
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Sub-Zonal Ammonite Mortoniceras (Durnovarites) perinflatum |
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Sub-Zonal Ammonite Mortoniceras (Mortoniceras) rostratum |
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| References: |
a. Wright C. W. 1996. Treatise on Invertebrate Paleontology (Part L Mollusca 4 Revised) Volume 4: Cretaceous Ammonoidea b. Spath L. F. 1929. A Monograph of the Ammonoidea of the Gault; Part VIII. Palaeontographical Society London |
Jim Craig - 2000