Mollusca (Ammonoidea, Gastropoda, Bivalvia) from the upper Ladinian (Middle Triassic) of the island of Mallorca (Balearic Islands, western Mediterranean): preliminary data


  • J. Juárez-Ruiz Museu Balear de Ciències Naturals. Carretera Palma-Sóller km 30, 07100, Sóller, Spain.
  • R. Matamales-Andreu Institut Català de Paleontologia Miquel Crusafont. C/ de les Columnes s/n, Edifici Z (ICTA-ICP), Campus de la Universitat Autònoma de Barcelona. 08193 Cerdanyola del Vallès, Spain



Ladinian, ammonoid, bivalve, gastropod, Mallorca


A group of fossil molluscs with silicified presevation from the Muschelkalk facies (Middle Triassic) of the southwest of Serra de Tramuntana (Mallorca, western Mediterranean), is studied. Due to the biostratigraphical significance of its ammonoids, upper Ladinian is characterized for the first time on the island. In a similar way, the biogeographical context of the area during this interval is analyzed using the ammonoid, gastropoda and bivalvia records in a preliminary approach.




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