Occurrence of the rudistid Durania cornupastoris (Des Moulins, 1826) in the Upper Cretaceous Greenhorn Limestone in Colorado
A group of at least 28 conjoined individuals of Durania cornupastoris (Des Moulins, 1826) is described from the uppermost part of the Greenhorn Limestone near La Junta in southeastern Colorado. The specimens are from a bed of limestone concretions that contain the ammonite Collignoniceras woollgari...
Main Authors: | Cobban, W, Skelton, P, Kennedy, W |
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Format: | Journal article |
Language: | English |
Published: |
1991
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