Agathammina austroalpina, algae, Anthozoa, Apennines, Apuane Alps, Aulo tortus sinuosus, biogenic structures, biostratigraphy, Bivalvia, Brachiopoda, breccia, carbonate platforms, Carrara Marble, clastic rocks, Cnidaria, Coelenterata, Echinodermata, Echinoidea, Echinozoa, Encrinus liliformis, environment, Europe, Foraminifera, Glomospirella, Grezzoni Formation, interpretation, Invertebrata, Involutina, Italy, lithostratigraphy, marine environment, Meandrospira, Mesozoic, microfossils, Mollusca, Opthalmidium triadicum, Ortoceras, Plantae, problematic fossils, problematic microfossils, Protista, sedimentary rocks, sedimentary structures, sedimentation, Southern Europe, stratigraphy, stromatolites, thallophytes, Triasina hantkeni, Triassic, Tubiphytes, Tuscany Italy, Wortenia escheri