Pseudocrioceras fasciculare
Pseudocrioceras fasciculare Temporal range: Barremian | |
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Fossil of Pseudocrioceras fasciculare from France, on display at Galerie de paléontologie et d'anatomie comparée in Paris | |
Scientific classification | |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Cephalopoda |
Subclass: | Ammonoidea |
Suborder: | Ancyloceratina |
Family: | Ancyloceratidae |
Genus: | Pseudocrioceras |
Species: | P. fasciculare |
Binomial name | |
Pseudocrioceras fasciculare (d’Orbigny, 1840)[1] | |
Pseudocrioceras fasciculare is an extinct species of ammonite cephalopod.
Description
Shellls of Pseudocrioceras fasciculare can reach a diamenter of about 32 centimetres (13 in). [2] These ammonites maintain the same sculpture on the spiral, with strong peri-umbilical tubercles and four or five sinuous ribs, that do not continue on the venter. At the inner whorls the section is subrectangular, then becomes oval or subcircular. [1]
Distribution
These ammonites have has been found in strata of the Barremian age of France. [1]
References
- 1 2 3 Pierre Ropolo, Roland Gonnet & Gabriel Conte The ‘Pseudocriocerasinterval’ and adjacent beds at La Bédoule (SE France): implications to highest Barremian/lowest Aptian biostratigraphy
- ↑ Ammonites du Barremien
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