Dicarinella

Daughter taxa: (blue => in age window 0-800Ma)
			Dicarinella asymetrica
			Dicarinella bouldinensis
			Dicarinella canaliculata
			Dicarinella concavata
			Dicarinella hagni
			Dicarinella imbricata
			Dicarinella longoriai
			Dicarinella marianosi
			Dicarinella primitiva
			Dicarinella roddai
			Dicarinella takayanagii
			Dicarinella sp. Specimens which cannot be assigned to established species

Taxonomy

Original description: Définiti on. - Test calcaire perforé, bilamellaire, à enroulement trocho - spiralé . Ouverture primaire intériomarginale , ombilicale-extraombilicale. Handeau carénal périphérique imperforé comportant deux carènes visible au moins sur certaines loges du dernier tour. Sur la face dorsale, les sutures sont plus ou moins obliques, déprimées ou en relief et bordées par un bourrelet; sur la face ventraie, elles sont toujours radiales et dép1imées.

Des expansions lamelleuses issues de la portion adombilicale des loges ('portici') forment une couronne autour de la cavité ombilicale, qu'elles recouvrent plus ou moins complètement en ménageant entre elles des 'ouvertures accessoires' infralaminales. Il n'existe pas d'ouvertures supplèm entaires suturales.

Famile Globotruncanidae; sous-famille Marginotruncanidae. Cretacé supérieur.

Entries in the Catalog of original descriptions: Dicarinella

Geological Range:
Last occurrence (top): within Santonian Stage (83.64-86.26Ma, top in Santonian stage). Data source: Total of range of species in this database
First occurrence (base): within Cenomanian Stage (93.90-100.50Ma, base in Cenomanian stage). Data source: Total of range of species in this database

Plot of occurrence data:

Dec 2017 - Plotting of Neptune data has been re-enabled on the Mesozoic pages following revision of the age-models in Neptune. The data is, however, still very sparse for the Early Cretaceous

• Range-bar - range as quoted above, pink interval top occurs in, green interval base occurs in.
• Triangles indicate an event for which a precise placement has been suggested
• Neptune data: This is a higher taxon page so Neptune data is not plotted. See also: customisable plot Parent: Globotruncanidae

Dicarinella compiled by the pforams@mikrotax project team viewed: 4-4-2020 Taxon Search: Advanced Search Short stable page link: http://mikrotax.org/pforams/index.php?id=110083 Go to Archive.is to create a permanent copy of this page - citation notes

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