The Regnana Formation is an Early Permian (Kungurian) geologic formation located in the Italian Alps that is part of the Athesian Volcanic Complex.Morelli, C., Marocchi, M., Moretti, A., Bargossi, G. M., Gasparotto, G., Waele, B., Klötzli, U. and Mair, V. (2012). Volcanic stratigraphy and radiometric age constraints at the northern margin of a mega-caldera system: Athesian Volcanic Group (Southern Alps, Italy). GeoActa, 11, 51–67. Reptile and plant remains are among the fossils that have been recovered from the formation. The formation is mainly made up of andesite and pyroclastic rock.
Paleobiota Fossils reported from the Regnana FormationGenusSpeciesLocationStratigraphic positionMaterialNotesImagesPlantaeIndeterminateStramaiolo' (Redebus) Large, possibly coalified, shoot and leaf fragmentsDiscovered in the same fossil layer as the holotype of TridentinosaurusTridentinosaurusT. antiquusStramaiolo' (Redebus)Poorly preserved femora, tibiae, and fibulae, possible osteoderm skin impressions near the shoulder and pelvisThe body outline of the specimen is a forgery and only the scales and hindlimbs are real
See also Tridentinosaurus
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