Muñiz Guinea, FernandoMayoral Alfaro, EduardoGámez Vintaned, José Antonio2015-04-102015-04-101997http://hdl.handle.net/10272/10313Thè marine arid lacustrine Upper Neogene sediments in the Southwestern sector of the Guadalquivir Basin (Lepe-Ayamonte area, Huelva, Spain), are basically characterized by four distinte ichnofacies: Cruziana, Skolithos, mixed Cruziana-Skolithos, Gnathichnus and GlóssifungiièS ichrìófacies. The stages of ichnofacial evolution provides several palaeòenviromentàl keys for these materials, as bathimetry, hydrodihamic energy, salinity and type of substratumspaAtribución-NoComercial-SinDerivadas 3.0 Españahttp://creativecommons.org/licenses/by-nc-nd/3.0/es/IchnofaciesCruzianaSkolithosGnathichnusGlossifuhgitesUpper NeogeneGuadalquivir BasinHuelvaSpainjournal articleopen access