Kingdom Animalia Class Cephalopoda Suborder Ancyloceratina Rank Species | Phylum Mollusca Subclass Ammonoidea Family Ancyloceratidae | |
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Pseudocrioceras duvalianum is an extinct species of ammonite cephalopod.
Contents
Description
Shellls of Pseudocrioceras duvalianum can reach a diamenter of about 17–23 centimetres (6.7–9.1 in). These ammonites are tripartite with ancyloceratid-like coiling and quite closed spirals. The section of the horl is subrectangular. They show at first fine radial ribs with ventral tubercles, then groups of 2-3 ribs.
Distribution
These ammonites have has been found in strata of the Barremian age of France.
References
Pseudocrioceras duvalianum Wikipedia(Text) CC BY-SA