Pseudowaagenia is a genus of extinct ammonoid cephalopods in the family Aspidoceratidae. Distribution Shells of this species have been found in the Jurassic of Italy and Madagascar. See also List of Ammonite Genera References The Paleobiology Database Sepkoski, Jack Sepkoski's Online Genus Database – Cephalopodes Antonio Checa Phylogenetic relations among Oxfordian and KimmeridgianAspidoceratinae ≪classical species≫, deduced from the subbetic record (South Spain). A proposal eobios, Volume 17, issue 1 (1984), p. 21-31 Antonio Checa Structural changes in the passage Euaspidoceratiforms-Aspidoceratiforms (Aspidoceratidae, Ammonitina) External links Fossils Japan Ammonitida genera Jurassic ammonites Prehistoric animals of Madagascar