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About: Doulingoceras     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : dbo:Mollusca, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: mollusca New Facet based on Instances of this Class

Doulingoceras is a genus of ammonoid within the ceratitid order, found in China, that lived during the Late Permian during the time span from about 260.5 to 254 million years ago. The genus is included in the family Paraceltitidae, which belongs to the superfamily Xenodiscaceae. Doulingoceras closely resembles Paraceltites in the shape of shell and suture; but it may be distinguished from the latter by the concave sides and the node-like transverse ribs in the early stage and two rows of nodes distributed respectively along the ventral edge and the umbilical shoulder at maturity.