COMPILATION OF AMMONITE SPECIES NOT REPORTED FOR CUBA IN THE STRATIGRAPHIC LEXICON.
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Abstract
Ammonites are an important index fossils group of the Cuban Mesozoic. Reported species are distributed in Upper Jurassic to Upper Cretaceous formations. These are mainly present at the western zone: Jagua, El Americano, Artemisa formations, and Veloz, Paraíso and Margarita formations in central zone among others. Knowledge about Cuban ammonites mainly comes from research work over Jurassic and Cretaceous well known fossil locations fulfilled by Cuban and foreigners paleontologists during the first half of the 20th century. Geological surveying carried out by researchers from the Academies of Sciences of both Cuba and the former European socialist republics contributed deeply to this topic. According to the mapping and observations results, one hundred and fifty four genres, containing the 310 species and subspecies of ammonites reported to Cuba were described. The Cuban Stratigraphic Lexicon, where the most general and comprehensive data reported on the geologic formations of Cuba are provided includes only 25 per cent of such species. This highlights the importance to complete this valuable information. For this reason, all ammonites species described for Cuba were enlisted, as well as their reference sites with the corresponding lithostratigraphic units. This will allow to enlarge the information about the presence of such fossil cephalopods in the stratigraphic record, and extend it to those units in which ammonites reports missing.
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