Regnana Formation
| Regnana Formation | |
|---|---|
| Stratigraphic range: Early Permian, | |
| Type | Geological formation |
| Unit of | Athesian Volcanic Complex |
| Sub-units |
|
| Underlies | Ora Formation |
| Lithology | |
| Primary | Andesite |
| Other | Pyroclastic rock |
| Location | |
| Region | Pinè Valley, Italian Alps |
| Country |  Italy |
The Regnana Formation is an Early Permian (Kungurian) geologic formation located in the Italian Alps that is part of the Athesian Volcanic Complex.[1] Reptile and plant remains are among the fossils that have been recovered from the formation.[2][3] The formation is mainly made up of andesite and pyroclastic rock.[4]
Paleobiota[edit]
| Fossils reported from the Regnana Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Plantae[3] | Indeterminate[3] | Stramaiolo' (Redebus)[3] | Large, possibly coalified, shoot and leaf fragments[2] | Discovered in the same fossil layer as the holotype of Tridentinosaurus[3] | ||
| Tridentinosaurus[2] | T. antiquus[2] | Stramaiolo' (Redebus)[2][3] | Poorly preserved femora, tibiae, and fibulae, possible osteoderm skin impressions near the shoulder and pelvis[3] | The body outline of the specimen is a forgery and only the scales and hindlimbs are real[3] | 
| |
See also[edit]
References[edit]
- ^ 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.
- ^ a b c d e Leonardi, Piero (1959). "Tridentinosaurus antiquus Gb. Dal Piaz rettile protorosauro permiano del trentino orientale". Memorie degli Istituti di Geologia e Mineralogia degll'Università di Padova (in Italian). 21: 1–17.
- ^ a b c d e f g h Rossi, Valentina; Bernardi, Massimo; Fornasiero, Mariagabriella; Nestola, Fabrizio; Unitt, Richard; Castelli, Stefano; Kustatscher, Evelyn (2024-02-15). "Forged soft tissues revealed in the oldest fossil reptile from the early Permian of the Alps". Palaeontology. 67 (1). e12690. doi:10.1111/pala.12690. ISSN 0031-0239.
- ^ Abbà, Tiziano; Breda, Anna; Massironi, Matteo; Preto, Nereo; Piccin, Gianluca; Trentini, Tommaso; Bondesan, Aldino; Carton, Alberto; Fontana, Alessandro; Mozzi, Paolo; Surian, Nicola; Zanoner, Thomas; Zampieri, Dario (2018-11-13). "Pre-Alpine and Alpine deformation at San Pellegrino pass (Dolomites, Italy)". Journal of Maps. 14 (2): 671–679. doi:10.1080/17445647.2018.1536001. hdl:11577/3284080. ISSN 1744-5647.
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