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Showing results for tags 'aix-en-provence'.
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Lit.: Nel (A.), Gill (G.A.) & Nury (D.), 1987 - Découverte d'empreintes attribuables à des Coelentérés Siphonophores chondrophorides dans l'Oligocène de Provence. Comptes Rendus de l'Académie des Sciences, sér. 2, t. 305, p. 637-641
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- siphonophorae
- oligocene
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Lit.: Ermanno, Quaggiotto & Antonio, De. (2014). Eosphaeroma obtusum (von Meyer, 1858) (Isopoda, Sphaeromatidae) dell’Oligocene inferiore della Valle del Ponte (Laverda, Vicenza, Italia settentrionale). Lavori Società Veneziana di Scienze Natutali. 39. 67-75.
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Alternative name: Pantanodon cephalotes Diagnosis from Gaudant 2013, p. 220: "Small cyprinodontiform fishes having a vertebral column composed of about 30 vertebrae, including 18-20 postabdominal vertebrae. Caudal fin paddle-shaped, 10-12 (14) branched rays; caudal endoskeleton with two separate hypural plates. Dorsal fin small: i-ii+I+ 6-9 rays (7-11 pterygiophores); anal fin large, beginning in front of the origin of dorsal fin, ii-iii+I+ 10-14 rays (13-16 pterygiophores, the first of them being slightly arched). Pectoral fins ventro-Iateral; 10-12 rays. Pelvic fins inserted in front of the middle of body, approximately at the level of the third pair of pleural ribs and nearer from the pectorals base than from the origin of the anal fin. Some specimens, which are interpreted as males, show modified fin rays, ending in claw-like articles." References: Wilson J. E. M. Costa. The caudal skeleton of extant and fossil cyprinodontiform fishes (Teleostei: Atherinomorpha): comparative morphology and delimitation of phylogenetic characters. Vertebrate Zoology 62 (2) 2012. p. 161 – 180. Gaudant, Jean 2013. Occurrence of poecilid fishes in the European Oligocene - Miocene: The genus Paralebias nov. gen. Neues Jahrbuch für Geologie und Paläontologie Abhandlung 267, p. 215-222. Frey, Linda, Maxwell, Erin E., and Sánchez-Villagra, Marcelo R. 2016. Intraspecific variation in fossil vertebrate populations: Fossil killifishes (Actinopterygii: Cyprinodontiformes) from the Oligocene of Central Europe. Palaeontologia Electronica 19.2.14A: 1-27.
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From the album: Vertebrates
Pantanodon cephalotes (Agassiz) 1839 Oligocene Aix en Provence France-
- pantanodon
- paralebias
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References: Gaudant, J., et al., (2017) The uppermost Oligocene of Aix-en-Provence (Bouches-du-Rhône, Southern France): A Cenozoic brackish subtropical Konservat-Lagerstätte, with fishes, insects and plants. C. R. Palevol, http://dx.doi.org/10.1016/j.crpv.2017.08.002