Litophragmatoceras incomptum gen. et sp.nov. (Cretaceous Ammonoidea) , a cryptic micromorph from the Upper Cenomanian of Arizona
Litophragmatoceras incomptum gen. et sp.nov. is a small dimorphic planulate ammonite from the Upper Cenomanian Metoicoceras mosbyense Zone of Arizona in which microconchs are adult at as little as 5 mm diameter and macroconchs at 23 mm diameter or less. The quinquelobate suture is very simple, with...
Main Authors: | , |
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Format: | Journal article |
Language: | English |
Published: |
1988
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