References -
- O'Connell; 1935; Pleisosaur bones in Arizona; Proceedings of the Geologial Society of America pp.376
- O'Keefe, F. Robin and Carrano, Matthew; 2003; Scaling and ecomorphological trends in the evolution of the plesiosaur locomotor system; Journal of Vertebrate Paleontology; 23(3, Suppl.) pp.84; University of Oklahoma
- O'Keefe, Robin F. and Carrano, Matthew; 2003; Scaling and ecomorphological trends in the evolution of the plesiosaur locomotor system; Journal of Vertebrate Paleontology (September 2003); 23(3, Suppl.) pp.84; in Sixty-third annual meeting, Society of Vertebrate Paleontology, Science Museum of Minnesota; abstracts
- O'Keefe, F. Robin and Carrano, Matthew; 2005; Correlated trends in the evolution of the plesiosaur locomotor system; Paleobiology; 31(4) pp.656-675
- O'Keefe, F. Robin and Hiller, Norton; 2006; Morphologic and Ontogenetic Patterns in Elasmosaur Neck Length, with comments on the taxonomic utility of neck length variables; Paludicola; 5(4) pp.206-229
- O'Keefe, F. Robin and Wahl, William; 2003a; Preliminary report on the osteology and relationships of a new aberrant Cryptocleidoid plesiosaur from the Sundance Formation, Wyoming; Paludicila; 4(2) pp.48-68
- O'Keefe, F. Robin and Wahl, William; 2003b; Current taxonomic status of the plesiosaur Pantosaurus striatus from the Upper Jurassic Sundance Formation, Wyoming; Paludicila; 4(2) pp.48-68
- O'Keefe, F. Robin; 1998; First occurrence of the plesiosaur genus Peloneustes in the German Jurassic; Journal of Vertebrate Paleontology; 18(3, Suppl.) pp.67--68; University of Oklahoma
- O'Keefe, Robin F.; 1999; Phylogeny And Convergence In The Plesiosauria; Journal of Vertebrate Paleontology; 19(Supplement to No.3) pp.67A
- O'Keefe, F. Robin; 2000;
- O'Keefe, F. Robin; 2001a; A cladistic analysis and taxonomic revision of the Plesiosauria (Reptilia: Sauropterygia); Acta Zoologica Fennica; 213 pp.1-63
- O'Keefe, F. Robin; 2001b; Ecomorphology of plesiosaur flipper geometry; Journal of Evolutionary Biology; 14 pp.987-991
- O'Keefe, F. Robin; 2001c; Cladistic Character Dependence in The Plesiosauria, with Functional Interpretations of Correlated Character Sets; Journal of Vertebrate Paleontology; 21(3) in Abstracts
- O'Keefe, F. Robin; 2002; Inference of plesiosaur hunting styles from flipper geometry; parallels among birds, bats, and airplanes; Journal of Vertebrate Paleontology; 22(3, Suppl.) pp.93; University of Oklahoma
- O'Keefe, Robin F.; 2002; The evolution of plesiosaur and pliosaur morphotypes in the Plesiosauria (Reptilia: Sauropterygia); Paleobiology; 28(1) pp.101-112
- O'Keefe, F. Robin; 2004a; On the cranial anatomy of the polycotylid plesiosaurs, including new material of Polycotylus latipinnis Cope, from Alabama; Journal of Vertebrate Paleontology; 24(2) pp.326-340
- O'Keefe, F. Robin; 2004b; Preliminary description and phylogenetic position of a new plesiosaur (Reptilia, Sauropterygia) from the Toarcian of Holzmaden, Germany; Journal of Paleontology (September 2004); 78(5) pp.973-988
- O'Keefe, F. Robin, Rieppel, Oliver and Sander, P Martin; 1997; Multivariate allometry and complex heterochrony in an anagenic lineage of pachypleurosaurs (Reptilia, Sauropterygia) from San Giorgio, Switzerland (Triassic, Anisian-Ladinian); Journal of Vertebrate Paleontology; 17(3, Suppl.) pp.67--68; University of Oklahoma
- O'Keefe, Robin F., Rieppel, Oliver and Sander, P Martin; 1997; Multivariate allometry and complex heterochrony in an anagenic lineage of Pachypleurosaurs (Reptilia: Sauropterygia) from San Giorgio, Switzerland (Triassic, Anisian-Landinian); Journal of Vertebrate Paleontology; 17
- O'Keefe, F. Robin, Rieppel, Oliver and Sander, P Martin; 1999; Shape disassociation and inferred heterochrony in a clade of pachypleurosaurs (Reptilia, Sauropterygia)}; Paleobiology; 25(4) pp.504-517
- Obata, I.; 1989; Notes on Cretaceous sea. 23 - An Upper Cretaceous plesiosaur from Wakkanai, Hokkaido; Aquabiology (Tokyo); 11(2) pp.114-117
- Obata, I., Hasegawa, Yoshikazu and Suzuki, T.; 1970; Discovery of elasmosaur from the Late Cretaceous Futaba Group; Journal of the Geological Society of Japan; 76(No. 3) pp.161-164
- Obata, I., Hasegawa, Yoshikazu and Otsuka, H.; 1972; Preliminary Report on the Cretaceous Reptile Fossils from Hokkaido; Memiors of the National Science Museum; 5 pp.213-223
- Obata, Ikuwo, Kawashita, Y., Maiya, S., Taketani, Y., Futakami, M. and Suzuki, T.; 1989; An Upper Cretaceous plesiosaur (Family Elasmosauridae) from the Wakkanai area, Hokkaido; Bulletin of the National Science Museum. Series C: Geology and Paleontology; 15(1) pp.25--31; National Science Museum
- Obata, I., Kawishata, Y., Maiya, S., Taketani, Y., Futakami, M. and Suzuki, T.; 1989; An Late Cretaceous Plesiosaur (Family Elasmosauridae) from the Wakkanai area, Hokkaido; Bull. Natn. Sci. Mem. Tokyo; Series C, Vol 15(1) pp.25-31
- Obata, I., Kawashita, Y., Maiya, S., Taketani, Y., Futakami, M. and Suzuki, T.; 1989; An Upper Cretaceous plesiosaur (family Elasmosauridae) from the Wakkanai area, Hokkaido; Bull. Natn. Sci. Mem. Tokyo; 15(1) pp.25-31
- Ochev, V. G.; 1972; ; Voprosy Geologii Yuzhnogo Urala i Povolzh'ya. Saratovskiy Gosudarstvennyy Universitet; 8, Part 1 pp.170--173
- Ochev, V. G.; 1976; [A new Pliosaur from the Late Cretaceous of Penza Province]; Paleontollogicheskii Zhurnal; 1976 pp.135-138
- Ogawa, Kaori and Kakaya, Hideo; 1995; The Mesozoic Plesiosauria (Sauropterygia, Reptilia) from the Northwest of Panthalassa-Morphology of the Late Cretaceous Plesiosauria form Nakagawa, Hokkaido, Northern Japan; Journal of Vertebrate Paleontology; 15(Supplement to Number 3)
- Ogawa, Kaori and Nakaya, H.; 1995; The Mesozoic Pleiosauria (Sauropterygia, Reptilia) from the northwest of Panthalassa; morphology of the Late Cretaceous Plesiosauria from Nakagawa, Hokkaido, northern Japan; Journal of Vertebrate Paleontology; 15(3, Suppl.) pp.47; University of Oklahoma
- Ogawa, Kaori and Nakaya, H.; 1996; The Mesozoic Plesiosauria (Sauropterygia, Reptilia) from the Japanese Islands; the Late Cretaceous Plesiosauria from Nakagawa, Hokkaido, northern Japan; International Geological Congress, Abstracts--Congres Geologique Internationale, Resumes; 30, Vol. 2 pp.137; [International Geological Congress]
- Oosterink, H.W. and Diepenbroek, G.H.; 1990; Nieuwe vondsten uit de Winterswijkse Trias; Grondboor en Hamer; 44(6) pp.150--154; [Nederlandse Geologische Vereniging]
- Oosterink, H.W.; 1978; Enkele restanten van het reptiel Placodus uit de Winterswijkse Muschelkalk. [Some remains of Placodus from the Winterswijk Musschelchalk]; Grondboor en Hamer; 32 pp.175-179
- Oosterink, H.W.; 1979; Belangwekkende aanwinst voor collectie Muschelkalk.[Important acquisition for the Musschelchalk collection (i.e. Placodus)]; Freriks Nieuws; 8 pp.9-10
- Oosterink, H.W.; 1986; Winterswijk, geologie deel II. De Trias-periode (geologie, mineralen en fossielen).; Wetenschappelijke Mededelingen van de Koninklijke Nederlandse Natuurhistorische Vereniging; 178 pp.1-120
- Oosterink, H.W.; 2003; Sauriërs uit de Onder-Muschelkalk van Winterswijk; Grondboor & Hamer; 57(1A) pp.1-144; (ed.) (simultaneously issued as Staringia 11).
- Osborn, H. F.; 1903; The Reptilian Subclasses Diapsida and Synapsida and the Early history of the Diaptosauria; Memoirs of the American Museum of Natural History; 1(Part VIII) pp.451-507
- Osborn, H. F.; 1904; A Reclassification of the Reptilia; Science; XiX(476) pp.256-257
- Osborn, H. F.; 1911; Department of Vertebrate Palaeontology, 41st Ann; Report of the American Museum of Natural History pp.31-33, 71-72
- Ostrom, John H.; 1965; Cretaceous Vertebrate Faunas of Wyoming; Wyoming Geological Association Guidebook; 1965 pp.35-41
- Otschew; 1878; ?; ?
- Otschew; 1976; ?; ?
- Owen, Richard; (not known); Plate of "Pleiosaurus rugosus" from Owen's fossil reptiles of the Liassic formations
- Owen, Richard; 1838; A description of Viscount Cole's specimen of Plesiosaurus macrocephalus (Conybeare); Proceedings of the Geological Society, London; II(57) pp.663-667
- Owen, Richard; 1839; Crymocetus bernardi; ?
- Owen, Richard; 1840; Odontography, or a treatise on the COMPARITIVE ANATOMY OF THE TEETH, their physiological relations, mode of development and MICROSCOPIC STRUCTURE in the VERTEBRATE ANIMALS; II; Hippolyte Bailliere, foreign booksellers to the Royal College of Surgeons
- Owen, Richard; 1840a; Report on British Fossil Reptiles, Part 1; Report of the British Association for the Advancement of Science; 9 pp.43-126
- 1840
- Owen, Richard; 1841; Description of some remains of a gigantic Crocodilan Saurian, probably marine, from the Lower Greensand at Hythe; and of Teeth from the same formation at Maidstone, referable to the genus Polyptychodon; Proceedings of the Geological Society, London; 3(14) pp.449-451
- Owen, Richard; 1841a; Pliosaurus brachyspondylus = Plesiosaurus brachyspondylus (OWEN 1841) Pliosaurus brachydeirus. Polyptychodon interruptus, P.continus
- Owen, Richard; 1842; Report on British Fossil Reptiles, Part 2; Report of the British Association for the Advancement of Science pp.60-204
- Owen, Richard; 1847; Description of the Atlas, Axis and Subvertebral Wedge Bones in the Plesiosaurus, with remarks on the homologies of those bones; The Annals and Magazine of Natural History; 133(Oct 1847) pp.217-225
- Owen, Richard; 1850; Plesiosaurus bernardi; ?
- Owen, Richard; 1851; A Monograph on the FOSSIL REPTILIA of the CRETACEOUS FORMATIONS; Monograph for the Palaeontographical Society
- Owen, Richard; 1853a; A MONOGRAPH of the FOSSIL CHELONIAN REPTILES of the WEALDEN CLAYS AND PURBECK LIMESTONES; Monograph for the Palaeontographical Society
- Owen, Richard; 1853b; A Monograph on the FOSSIL REPTILIA of the CRETACEOUS FORMATIONS - Supplement No IV - Sauroptyerygia (Plesiosaurs) - Supplement; Monograph for the Palaeontographical Society
- Owen, Richard; 1854; Descriptive Catalogue of the fossil and organic remains in of Reptilia and Pisces contained in the Museum of the Royal College of Surgeons of England pp.184pp; London
- Owen, Richard; 1857a; A Monograph on the FOSSIL REPTILIA of the CRETACEOUS FORMATIONS - Supplement No IV - Sauroptyerygia (Plesiosaurs) - Supplement
- Owen, Richard; 1857b; A Monograph on the FOSSIL REPTILIA of the CRETACEOUS FORMATIONS - Supplement No IV - Sauroptyerygia (Plesiosaurs) - Supplement
- Owen, Richard; 1860; On the orders of fossil and recent Reptilia, and their distribution in time; Report of the British Association for the Advancement of Science; 29 pp.153-166
- Owen, Richard; 1861; On the remains of a plesiosaurian reptile (Plesiosaurus australis) from the Oolitic Formation of the Middle Island of New Zealand; Geologist; 4 pp.444-445
- Owen, Richard; 1862; On the remains of a plesiosaurian reptile (Plesiosaurus australis) from the Oolitic Formation of the Middle Island of New Zealand; Annual report of the British Society for the Advancement of Science; 4 pp.122-123
- Owen, Richard; 1864; A Monograph on the FOSSIL REPTILIA of the CRETACEOUS FORMATIONS - Supplement No IV - Sauroptyerygia (Plesiosaurs); Monograph for the Palaeontographical Society
- Owen, Richard; 1865; A Monograph on the Fossil Reptilia of the Liassic Formations. Part 3; Monograph for the Palaeontographical Society pp.1-40
- Owen, Richard; 1869; Monograph on the British Fossil Reptilia from the Kimmeridge Clay; Monograph for the Palaeontographical Society; 3 pp.1-12
- Owen, Richard; 1870; Notice on some saurian fossils discovered by J. H. Hood esq., at Waipara, Middle Island, New Zealand; Geological Magazine, London; 7 pp.49-53
- Owen, Richard; 1871; ?; ?
- Owen, Richard; 1881; A Monograph on the Fossil Reptilia of the Liassic Formations. Part 3: Ichthyopterygia; Monograph for the Palaeontographical Society pp.83-134
- Owen, Richard; 1882; A History of the British Fossil Reptiles; Cassel & Co., London
- Owen, Richard; 1884; ?; ?
