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Similar Neocomites, Olcostephanus, Neocomitidae, Orthaspidoceras, Ochetoceras | ||
Neolissoceras is a genus of haploceratid ammonites with a smooth, compressed, flat-sided shell with a flatly rounded venter and distinct umbilical margin, from the Upper Jurassic (Tithonian) - Lower Cretaceous (Hauterivian) of southern Europe, Madagascar, and India.
References
Neolissoceras Wikipedia(Text) CC BY-SA