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A mawsoniid coelacanth (Sarcopterygii: Actinistia) from the Rhaetian (Upper Triassic) of the Peygros quarry, Le Thoronet (Var, southeastern France)


Remains of a coelacanth specimen are described from Rhaetian deposits of the Var Department, southeastern France. They comprise the lower part of a branchial apparatus associated with a left lower jaw and a basisphenoid. Osteological features of the angular and basisphenoid and the teeth ornamentation allow the inclusion of the specimen in the mawsoniid family, genus and species indeterminate. Mawsoniids are known in freshwater environments from the Triassic of North America and from the Cretaceous of Western Gondwana and Europe, as well as from Late Jurassic marine environments from Europe. The new discovery here reported represents the first coelacanth from the marine Triassic of France and improves the understanding of the palaeobiogeography of the Mawsoniidae.

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Amiot, R., Séon, N., Bardet, N., Buffetaut, E., Cuny, G., Deesri, U., Giner, S., Martin, J. & Suan, G. 2016. Environnements sédimentaires et vertébrées du Trias supérieur (Rhétien) de la carrière de Peygros (Var). In Congrès 2016 de l'Association Paléontologique Française Elbeuf, Mar 2016, France. Résumés des communications du congrès 2016 de l'Association Paléontologique Française, p. 13.
Bardet, N., Buffetaut, E., Giner, S. & Roggero, D. 2013. An armoured placodont from the Rhaetian (Late Triassic) of Provence (south-eastern France). In 11th EAVP Meeting, Villers-sur-Mer, France, 11–15 Juin, p. 18.
Bardet, N. & Cuny, G. 1993. Triassic reptile faunas from France. In Workshop: Evolution, Ecology and Biogeography of the Triassic Reptiles, Milano (eds Mazin, J. M. & Pinna, G.), pp. 918. Milano: Atti della Società italiana di scienze naturali e del Museo civico di storia naturale di Milano. Paleontologia Lombarda vol. 2.
Carvalho, M. S. S. & Maisey, J. G. 2008. New occurrence of Mawsonia (Sarcopterygii: Actinistia) from the Early Cretaceous of the Sanfranciscana Basin, Minas Gerais, southeastern Brazil. In Fishes and the Break-up of Pangaea (eds Cavin, L., Longbottom, A. & Richter, M.), pp. 109–44. Geological Society of London, Special Publication no. 295.
Cavin, L., Forey, P. L., Buffetaut, E. & Tong, H. 2005. Latest European coelacanth shows Gondwanan affinities. Biology Letters 2005, 176–7.
Cavin, L., Furrer, H. & Obrist, C. 2013. New coelacanth material from the Middle Triassic of eastern Switzerland, and comments on the taxic diversity of actinistans. Swiss Journal of Geosciences 106, 161–77.
Cavin, L. & Grădinaru, E. 2014. Dobrogeria aegyssensis, a new early Spathian (Early Triassic) coelacanth from North Dobrogea (Romania). Acta Geologica Polonica 64, 139–65.
Cavin, L., Valentin, X. & Garcia, G. 2016. A new mawsoniid coelacanth (Actinistia) from the Upper Cretaceous of Southern France. Cretaceous Research 62, 6573.
Cope, E. D. 1871. Contribution to the ichthyology of the Lesser Antilles. Transactions of the American Philosophical Society 14, 445–83.
Coquand . 1868. De l’étage des marnes irisées et de l’étage rhétien (Couches à Av. contorta) dans les environs de Montferrat (Var) et de leur séparation au moyen du bone-bed. Bulletin de la Société géologique de France 25, 291310.
Corroy, G. 1934. Les poissons et les reptiles du Muschelkalk et du rhétien de Basse-Provence. Bulletin de la Société géologique de France 3, 475–83.
Dieulafait . 1869. Etude sur la Formation du Trias en Provence. Bulletin de la Société d'études scientifiques et archéologiques de la ville de Draguignan 7, 221.
Dutel, H., Herbin, M. & Clément, G. 2015. First occurrence of a mawsoniid coelacanth in the Early Jurassic of Europe. Journal of Vertebrate Paleontology 3, e929581. doi: 10.1080/02724634.2014.929581.
Dutel, H., Maisey, J. G., Schwimmer, D. R., Janvier, P., Herbin, M. & Clément, G. 2012. The giant Cretaceous Coelacanth (Actinistia, Sarcopterygii) Megalocoelacanthus dobiei Schwimmer, Stewart & Williams, 1994, and its bearing on Latimerioidei interrelationships. PLoS ONE 7 11, e49911. doi: 10.1371/journal.pone.0049911.
Dutel, H., Pennetier, E. & Pennetier, G. 2014. A giant marine coelacanth from the Jurassic of Normandy, France. Journal of Vertebrate Paleontology 34, 1239–42.
Fischer, V., Cappetta, H., Vincent, P., Garcia, G., Goolaerts, S., Martin, J. E., Roggero, D. & Valentin, X. 2014. Ichthyosaurs from the French Rhaetian indicate a severe turnover across the Triassic–Jurassic boundary. Naturwissenschaften 101, 1027–40.
Forey, P. L. 1998. History of the Coelacanth Fishes. London: Chapman and Hall.
Gottfried, M. D., Rogers, R. R. & Curry Rogers, K. 2004. First record of Late Cretaceous coelacanths from Madagascar. In Recent Advances in the Origin and Early Radiation of Vertebrates (eds Arratia, G., Wilson, M. V. H. & Cloutier, R.), pp. 687–91. Munich: Dr Pfeil Verlag.
Hennig, E. 1951. Trachymetopon liassicum, Ald., ein Reisen-Crossopterygier aus Schwäbischem Ober-Lias. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen, Stuttgart 94, 6779.
Maisey, J. G. 1986. Coelacanths from the Lower Cretaceous of Brazil. American Museum Novitates 2866, 130.
Maisey, J. G. 2000. Continental break up and the distribution of fishes of Western Gondwana during the Early Cretaceous. Cretaceous Research 21, 281314.
Romano, C., Koot, M. B., Kogan, I., Brayard, A., Minikh, A. V., Brinkmann, W., Bucher, H. & Kriwet, J. 2016. Permian–Triassic Osteichthyes (bony fishes): diversity dynamics and body size evolution. Biological Reviews 91, 106–47.
Schaeffer, B. 1952. The Triassic coelacanth fish Diplurus, with observations on the evolution of the Coelacanthini. Bulletin of the American Museum of Natural History 99, 2578.
Schaeffer, B. 1967. Late Triassic fishes from the western United States. American Museum of Natural History 35, 289342.
Schultze, H.-P. 1993. Osteichthyes: Sarcopterygii. In The Fossil Record 2 (ed. Benton, M. J.), pp. 657–63. London: Chapman and Hall.
Schultze, H.-P. 2004. Mesozoic sarcopterygians. In Mesozoic Fishes 3 – Systematics, Paleoenvironments and Biodiversity (eds Arratia, G. & Tintori, A.), pp. 463–92. München: Verlag Dr Friedrich Pfeil.
Wen, W., Zhang, Q.-Y., Hu, S.-X., Benton, M. J., Zhou, C.-Y., Tao, X., Huang, J.-Y. & Chen, Z.-Q. 2013. Coelacanths from the Middle Triassic Luoping Biota, Yunnan, South China, with the earliest evidence of ovoviviparity. Acta Palaeontologica Polonica 58, 175–93.
Yabumoto, Y. 2008. A new Mesozoic coelacanth from Brazil (Sarcopterygii, Actinistia). Paleontological Research 12 (4), 329–43.
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