A new pliosaurid from the Pliensbachian, Early Jurassic of Normandy, Northern France

• Autorzy: Vincent P. , Bardet N. , Mattioli E.
• Języki publikacji: EN

Abstrakty

EN

Complete plesiosaur skeletons are relatively abundant in the Lower Jurassic of England and Germany, but are exceptional in France. A new specimen from Normandy (northern France), including incomplete skull, palate and mandible with several associated vertebrae, is here described and its pliosauroid affinities are discussed. Comparison of this new specimen with other plesiosaurians indicates that it belongs to a new genus and species: Cryonectes neustriacus. This new plesiosaurian taxon represents one of the most complete pliosaurids reported from the Pliensbachian, a stage that has yielded very few diagnostic plesiosaurian remains. Our preliminary phylogenetic analysis places Cryonectes in a basal position among Pliosauridae, and suggests that the radiation of this clade occurred several millions of years earlier than previously thought. This new taxon contributes to our understanding of Early Jurassic plesiosaur diversity.

Słowa kluczowe

EN

new pliosaurid; pliosaurid; Reptilia; Plesiosauria; Pliosauroidea; Cryonectes; Jurassic; Pliensbachian; Early Jurassic; Normandy; France; paleontology

• Wydawca: -
• Czasopismo: Acta Palaeontologica Polonica
• Rocznik: 2013
• Tom: 58
• Numer: 3
• Opis fizyczny: p.471-485,fig.,ref.

Twórcy

autor

Vincent P.

• CR2P UMR 7207 CNRS-MNHN-UPMC, 8 rue Buffon, 75005 Paris, France

autor

Bardet N.

• CR2P UMR 7207 CNRS-MNHN-UPMC, 8 rue Buffon, 75005 Paris, France

autor

Mattioli E.

• UMR 5276 Laboratoire de Geologie de Lyon: Terre, Planetes, Environnement, CNRS; Universite Lyon 1, ENS Lyon, Campus de la DOUA, Batiment Geode, 69622 Villeurbanne Cedex, France

Bibliografia

• Andrews, C.W. 1910. A Descriptive Catalogue of the Marine Reptiles of the Oxford Clay. Part 1. 205 pp. British Museum (Natural History), London.
• Andrews, C.W. 1913. A Descriptive Catalogue of the Marine Reptiles of the Oxford Clay, Based on the Leeds Collection in the British Museum (Natural History), London, Part II. 305 pp. British Museum, London.
• Bakker, R.T. 1993. Plesiosaur extinction cycles−Events that mark the beginning, middle and end of the Cretaceous. In: W.G.E. Caldwell and E.G. Kaufman (eds.), Evolution of the Western Interior Basin. Geological Association of Canada, Special paper 39: 641–664.
• Bardet, N., Godefroit, P., and Sciau, J. 1999. A new elasmosaurid plesiosaur from the Lower Jurassic of southern France.Palaeontology 42: 927–952.
• Bardet, N., Pereda Suberbiola, X., and Jalil, N.−E. 2003. A new polycotylid plesiosaur from the Late Cretaceous (Turonian) of Morocco. Comptes Rendus Palevol 2: 307–315.
• Bardet, N., Fernández, M., Garcia−Ramos, J.C., Pinuela, L., Pereda Suberbiola, X., and Vincent, P. 2008. A juvenile plesiosaur from the Pliensbachian (Lower Jurassic) of Asturias, Spain. Journal of Vertebrate Paleontology 28: 258–263.
• Benson, R.B.J., Bates, K.T, Johnson, M.R., and Withers, P.J. 2011b. Cranial anatomy of Thalassiodracon hawkinsii(Reptilia, Plesiosauria) from the Early Jurassic of Somerset, United Kingdom. Journal of Vertebrate Paleontology 31: 562–574.
• Benson, R.B.J., Ketchum, H.F., Noè, L.F., and Gómez−Pérez, M. 2011a. New information on Hauffiosaurus (Reptilia, Plesiosauria) based on a new species from the Alum Shale Member (Lower Toarcian: Lower Jurassic) of Yorkshire, UK. Palaeontology 54: 547–571.
• Blainville, H.D. de 1835. Description de quelques espèces de reptiles de la Californie, précédée de l’analyse d’un système général d’Erpétologie et d’Amphibiologie. Nouvelles Annales du Muséum (national) d’Histoire naturelle, Paris, Serie 3 4: 233–296.
• Bown, P.R. 1987. Taxonomy, evolution and biostratigraphy of late Triassic–early Jurassic calcareous nannofossils. Special Papers in Paleontology 38: 1–118.
• Bown, P.R. and Cooper, M.K.E. 1998. Jurassic. In: P.R. Bown (ed.), Calcareous Nannofossil Biostratigraphy, 34–85. British Micropalaeontological Society Publication Series, Kluwer Academic Publishers, London.
• Brown, D.S. 1981. The English Upper Jurassic Plesiosauroidea (Reptilia) and a review of the phylogeny and classification of the Plesiosauria.Bulletin of the British Museum (Natural History), Geology 35: 253–347.
• Brown, D.S., Vincent, P., and Bardet, N. 2013. Osteological redescription of the skull of Microcleidus homalospondylus (Sauropterygia, Plesiosauria), from the Lower Jurassic of England. Journal of Paleontology 87: 537–549.
• Cruickshank, A.R.I. 1994. Cranial anatomy of the Lower Jurassic pliosaur Rhomaleosaurus megacephalus (Stutchbury) (Reptilia: Plesiosauria). Philosophical Transactions of the Royal Society of London, Series B 343: 247–260.
• Cruickshank, A.R.I. 1996. The cranial anatomy of Rhomaleosaurus thorntoni Andrews (Reptilia, Plesiosauria). Bulletin of the British Museum (Natural History), Geology 52: 109–114.
• Cruickshank, A.R.I. 1997. A Lower Cretaceous pliosauroid from South Africa. Annals of the South African Museum 105: 207–226.
• Dugué, O., Fily, G., and Rioult, M. 1998. Le Jurassique des côtes du Calvados. Bulletin trimestriel de la Société Géologique de Normandie et des Amis du Muséum du Havre 85: 1–132.
• Druckenmiller, P.S. and Russell A.P. 2008. A phylogeny of Plesiosauria (Sauropterygia) and its bearing on the systematic status of Leptocleidus Andrews, 1922. Zootaxa 1863: 1–120.
• Evans, M. 2003. An intriguing new plesiosaur from the Pliensbachian of England. In: T. Kemp, P. Barrett, M. Nowak−Kemp, J. Hay, and B. Thomas (eds.), 51st Symposium of Vertebrate Palaeontology and Comparative Anatomy, Oxford, 17–19.09.2003, Abstracts Volume, 17. Oxford University Museum of Natural History, Oxford.
• Evans, M. 2012. A New Genus of Plesiosaur (Reptilia: Sauropterygia) from the Pliensbachian (Early Jurassic) of England, and Phylogeny of the Plesiosauria. 397 pp. Unpublished Ph.D. dissertation, University of Leicester, Leicester.
• Forrest, R. 2006. A plesiosaur from the Pliensbachian of Lincoln. In: E. Buffetaut (ed.), 54st Symposium of Vertebrate Palaeontology and Comparative Anatomy, Paris, 12–16.09.2006, Abstracts Volume, 12. SGF, ENS, Paris.
• Großmann, F. 2007. The taxonomic and phylogenetic position of the Plesiosauroidea from the Lower Jurassic Posidonia Shale of south−west Germany. Palaeontology 50: 545–564.
• Ketchum, H.F. 2007. The Anatomy, Taxonomy and Systematics of Three British Middle Jurassic Pliosaurs (Sauropterygia: Plesiosauria), and the Phylogeny of Plesiosauria. 273 pp. Unpublished Ph.D. dissertation, University of Cambridge, Cambridge.
• Ketchum, H.F. and Benson, R.B.J. 2010. Global interrelationships of Plesiosauria (Reptilia, Sauropterygia) and the pivotal role of taxon sampling in determining the outcome of phylogenetic analyses. Biological Reviews 85: 361–392.
• Ketchum, H.F. and Benson, R.B.J. 2011a. A new pliosaurid (Sauropterygia, Plesiosauria) from the Oxford Clay Formation (Middle Jurassic, Callovian) of England: evidence for a gracile, longirostrine grade of Early Jurassic pliosaurids. Special Papers in Palaeontology 86: 109–129.
• Ketchum, H.F., and Benson, R.B.J. 2011b. The cranial anatomy and taxonomy of Peloneustes philarchus (Sauropterygia, Pliosauridae) from the Peterborough Member (Callovian, Middle Jurassic) of the UK. Palaeontology 54: 639–665.
• Ketchum, H. and Smith, A.S. 2010. The anatomy and taxonomy of Macroplata tenuiceps (Sauropterygia, Plesiosauria) from the Hettangian (Lower Jurassic) of Warwickshire, United Kingdom. Journal of Vertebrate Palaeontology 30: 1069–1081.
• Mailliot, S., Mattioli, E., Guex, J., and Pittet, B. 2006. The Early Toarcian anoxic crisis, a synchronous event in the Western Tethys? An approach by quantitative biochronology (unitary associations), applied on calcareous nannofossils. Palaeogeography, Palaeoclimatology, Palaeoecology 240: 562–586.
• Mailliot, S., Elmi, S., Mattioli, E., and Pittet, B. 2007. Calcareous nannofossil assemblages across the Pliensbachian/Toarcian boundary at the Peniche section (Ponta do Trovão, Lusitanian Basin).Ciências da Terra (UNL) 15: 1–14.
• Mattioli, E. and Erba, E. 1999. Biostratigraphic synthesis of calcareous nannofossil events in the Tethyan Jurassic. Rivista Italiana di Paleontologia e Stratigrafia 105: 343–376.
• Meyer, H. von 1842. Simosaurus, die Stumpfschnauze, ein Saurier aus dem Muschelkalke von Lunéville. Neues Jahrbuch fur Mineralogie, Geognosie, Geologie und Petrefakten−Kunde 1842: 184–197.
• Noè, L.F. 2001. A Taxonomic and Functional Study of the Callovian (Middle Jurassic) Pliosauroidea (Reptilia, Sauropterygia). 354 + 182 pp. Unpublished Ph.D. dissertation, University of Derby, Derby.
• O’Keefe, R.F. 2001. A cladistic analysis and taxonomic revision of the Plesiosauria (Reptilia: Sauropterygia). Acta Zoologica Fennica 213: 1–63.
• Owen, R. 1842. Report on British fossil reptiles, Part II. Report of the British Association for the Advancement of Science for 1841 11: 60–204.
• Owen, R. 1860. On the orders of fossil and recent Reptilia, and their distribution in time. Report of the British Association for the Advancement of Science for 1859 29: 153–166.
• Owen, R. 1865. A monograph on the fossil Reptilia of the Liassic formations. Part III. Monograph of the Palaeontographical Society 17: 1–40.
• Perilli, N., Comas−Rengifo, M.J., and Goy, A. 2004. Calibration of the Pliensbachian–Toarcian calcareous nannofossil zone boundaries based on ammonites (Basque−Cantabrian area, Spain). Rivista Italiana di Paleontologia e Stratigrafia 110: 97–107.
• Persson, P.O. 1963. A revision of the classification of the Plesiosauria with a synopsis of the stratigraphical and geographical distribution of the group. Lunds Universitets Arsskrift, Serie 2 59: 1–59.
• Platnick, N.I., Griswold, C.E., and Coddington, J.A. 1991. On missing entries in cladistic analysis. Cladistics 7: 337–343.
• Rees, J. and Bonde, N. 1999. Plesiosaur remains from the Early Jurassic Hasle Formation, Bornholm, Denmark. In: E. Hoch and A.K. Brantsen (eds.), Secondary Adaptation to Life in Water, Copenhagen, 13–17.09.1999, Abstracts Volume, 70. Geologisk Museum, Copenhagen.
• Rieppel, O. 1989. A new pachypleurosaur (Reptilia: Sauropterygia) from the Middle Triassic of Monte San Giogio, Switzerland. Philosophical Transactions of the Royal Society of London, Series B 323: 1–73.
• Rosales, I., Quesada, S., and Robles, S. 2004. Paleotemperature variations of Early Jurassic seawater recorded in geochemical trends of belemnites from the Basque−Cantabrian basin, northern Spain. Palaeogeography, Palaeoclimatology, Palaeoecology 203: 253–275.
• Sato, T. 2003. Terminonatator ponteixensis, a new elasmosaur (Reptilia, Sauropterygia) from the Upper Cretaceous of Saskatchewan. Journal of Vertebrate Paleontology 23: 1–89.
• Sato, T. 2005. A new polycotylid plesiosaur (Reptilia: Sauropterygia) from the Upper Cretaceous Bearpaw Formation of Saskatchewan, Canada. Journal of Paleontology 79: 969–980.
• Schulz, G. 1858. Descripción geológica de Asturias. First Edition. 138 pp. Imprenta y Librería de Don José Gonzalez, Madrid.
• Schwermann, L. and Sander, M. 2011. Osteologie und Phylogenie von Westphaliasaurus simonsensii: Ein neuer Plesiosauride (Sauropterygia) aus dem Unteren Jura (Pliensbachium) von Sommersell (Kreis Höxter), Nordrhein−Westfalen, Deutschland. Geologie und Paläontologie in Westfalen 79 (1): 1–56.
• Sciau, J., Crochet, J.−Y., and Mattei, J. 1990. Le premier squelette de plésiosaure de France sur le Causse du Larzac (Toarcien, Jurassique inférieur). Geobios 23: 111–116.
• Seeley, H. 1874. Note on some generic modifications of the plesiosaurian pectoral arch. Quarterly Journal of the Geological Society of London 30: 436–449.
• Smith, A.S. 2008. Plesiosaurs from the Pliensbachian (Lower Jurassic) of Bornholm, Denmark. Journal of Vertebrate Paleontology 28: 1213–1217.
• Smith, A.S. and Dyke, G.J. 2008. The skull of the giant predatory pliosaur Rhomaleosaurus cramptoni: implications for plesiosaur phylogenetics. Naturwissenschaften 95: 975–980.
• Smith, A.S. and Vincent, P. 2010. A new genus of pliosaur (Reptilia: Sauropterygia) from the Lower Jurassic of Holzmaden, Germany. Palaeontology 53: 1049–1063.
• Sollas, W.J. 1881. On a new species of Plesiosaurus(P. conybeari) from the Lower Lias of Charmouth; with observation on P. macrocephalus, Stutchbury, and P. brachycephalus, Owen. Quarterly Journal of the Geological Society of London 37: 440–480.
• Storrs, G.W. 1995. A juvenile specimen of ?Plesiosaurus sp. from the Lias (Lower Jurassic, Pliensbachian) near Charmouth, Dorset, England. Proceedings of the Dorset Natural History and Archaeology Society 116: 71–75.
• Storrs, G.W. 1997. Morphological and taxonomic clarification of the genus Plesiosaurus. In: J.M. Callaway and E.L. Nicholls (eds.), Ancient Marine Reptiles, 145–190. Academic Press, London.
• Storrs, G.W. and Taylor, M.A. 1996. Cranial anatomy of a new plesiosaur genus from the lowermost Lias (Rhaetian/Hettangian) of Street, Somerset, England. Journal of Vertebrate Paleontology 16: 403–420.
• Suan, G., Mattioli, E., Pittet, B., Mailliot, S., and Lécuyer, C. 2008. Evidence for major environmental perturbation prior to and during the Toarcian (Early Jurassic) oceanic anoxic event from the Lusitanian Basin, Portugal. Paleoceanography 23 (PA1202): 1–14.
• Suan, G., Mattioli, E., Pittet, B., Lécuyer, C., Suchéras−Marx, B., Duarte, L.V., Philippe, M., Reggiani, M.L., and Martineau, F. 2010. Secular environmental precursors to Early Toarcian (Jurassic) extreme climate changes. Earth and Planetary Science Letters 290: 448–458.
• Swofford, D.L. 2002. PAUP*: Phylogenetic Analysis Using Parsimony (*and other methods) for Macintosh. Version 4.0b10. Sinauer Associates, Sunderland.
• Tarlo, L.B.H. 1960. A review of the Late Jurassic Pliosaurs. Bulletin of the British Museum (Natural History), Geology Series 4: 147–189.
• Taylor, M.A. 1992. Functional anatomy of the head of the large aquatic predator Rhomaleosaurus zetlandicus (Plesiosauria; Reptilia) from the Toarcian (Lower Jurassic) of Yorkshire, England. Philosophical Transactions of the Royal Society of London, Series B 335: 247–280.
• Taylor, M.A. and Cruickshank, A.R.I. 1993. Cranial anatomy and functional morphology of Pliosaurus brachyspondylus (Reptilia: Plesiosauria) from the Upper Jurassic of Westbury, Wiltshire. Philosophical Transactions of the Royal Society of London, Series B 341: 399–418.
• Thulborn, T. and Warren, A. 1980. Early Jurassic plesiosaurs from Australia. Nature 285: 224–225.
• Veiga de Oliveira, L.C., Duarte, L.V., Perilli, N., Rodrigues, R., and Lemos, V.B. 2005. Estratigrafía química (COT, 13C, 18O) e nanofosseis calcários na passagem Pliensbaquiano–Toarciano no perfil de Peniche (Portugal): resultados preliminares. Pesquisas em Geociencias 32: 3–16.
• Vincent, P. 2011. A re−examination of Hauffiosaurus zanoni, a pliosauroid from the Toarcian (Early Jurassic) of Germany. Journal of Vertebrate Paleontology 31: 340–351.
• Vincent, P. 2012. Re−description of a basal plesiosaur (Reptilia, Sauropterygia) from the Lower Jurassic of England. Journal of Paleontology 86: 1187–1196.
• Vincent, P. and Benson, R.B.J. 2012. Anningasaura, a basal plesiosaurian (Reptilia, Plesiosauria) from the Lower Jurassic of Lyme Regis, United Kingdom. Journal of Vertebrate Paleontology 32: 1049–1063.
• Vincent, P. and Smith, A.S. 2009. A redescription of Plesiosaurus propinquus Tate & Blake, 1876 (Reptilia, Plesiosauria), from the Lower Jurassic (Toarcian) of Yorkshire, England. Proceedings of the Yorkshire Geological Society 57: 151–160.
• Watson, D.M.S. 1909. A preliminary note on two new genera of Upper Liassic plesiosaurs. Memoirs and Proceedings of the Manchester Literary and Philosophical Society 54: 1–28.
• Welles, S.P. 1943. Elasmosaurid plesiosaurs with a description of new material from California. Memoirs of the University of California 13: 125–254.
• White, T.E. 1940. Holotype of Plesiosaurus longirostrisBlake, and classification of the plesiosaurs. Journal of Paleontology 14: 451–467.