Randerson, James (2002) Reptiles at four o'clock; New Scientist (1971), 173(2328), pp.17

Rees, Jane B and Bonde, Niels (1999) Plesiosaur remains from the Early Jurassic Hasle Formation, Bornholm,; Secondary Adaption to Life in Water; University of Copenhagen, Geologisk Museum, 13-17 IX 1999, , pp.70

Renesto, Silvio (1993) A Cretaceous plesiosaur remain (reptilia, sauropterygia) From the Argille Varicolori of Varzi (Pavia, Lombardy, Northern Italy); Riv. It. Paleont. Strat, 99, pp.101-106

Riabinin, a (1909) Zwei Plesiosaurier aus den Jura- und Kreideablagerungen Russlands; Trudy Geologicheskago komiteta = Mémoires du Comité géologique., (43-45), pp.1-49

Rich, Pat V. and Rich, Thomas H. (1985) Plesiosauridae; the Andamooka sea monster; , pp.143-146

Rieppel, Oliver et. al. (1997) Speciation along rifting continental margins; a new Nothosaur from the Negev (Israel); Comptes Rendus de l'Academie des Sciences, Serie II. Sciences de la Terre et des Planetes, 325(12), pp.991--997

Rieppel, Oliver et. al. (1999) Sauropterygia from the Middle Triassic of Makhtesh Ramon, Negev, Israel; Fieldiana: Geology (New Series), 40

Rieppel, Oliver et. al. (2002) The skull of the pistosaur Augustasaurus from the Middle Triassic of northwestern Nevada; Journal of Vertebrate Paleontology, 22(3), pp.577--592

Rieppel, Oliver et. al. (2003) Lariosaurus xingyiensis (Reptilia, Sauropterygia) from the Triassic of China; Canadian Journal of Earth Sciences Revue Canadienne des Sciences de la Terre, 40(4), pp.621--634

Rieppel, Oliver (1987) The Pachypleurosauridae: and annotated bibliography. With comments on some lariosaurs; Ecolgae geol. Helv., 80(No. 3), pp. 11-5-1118

Rieppel, Oliver (1989) A new pachypleurosaur (Reptilia: Sauropterygia) from the Middle Triassic of Monte San Giorgio, Switzerland; Philosophical Transactions of the Royal Society of London, Series B: Biological Sciences, 323(1212)

Rieppel, Oliver (1993) Euryapsid relationships: A preliminary analysis; Neues Jahrbuch für Geologie und Palaontologie, 188(2), pp.241-264

Rieppel, Oliver (1993) Euryapsid relationships: A preliminary analysis; Neues Jahrbuch für Geologie und Palaontologie, 188(2), pp.241-264

Rieppel, Oliver (1993) Review of the Pachypleurosauroidea; Society of Vertebrate Paleontology, Abstracts of Papers,

Rieppel, Oliver (1993) Status of the pachypleurosauroid Psilotrachelosaurus toeplitschi Nopcsa (Reptilia, Sauropterygia) from the Middle Triassic of Austria; Fieldiana: Geology (New Series), 27

Rieppel, Oliver (1993) Status of the Pachypleurosauroid Psilotrachelosaurus toeplitschi Nopcsa (Reptilia, Sauropterygia), from the Middle Triassic of Austria; Fieldiana: Geology, New Series, 27, pp.1-17

Rieppel, Oliver (1993) Status of the Pachypleurosauroid Psilotrachelosaurus toeplitschi Nopcsa (Reptilia, Sauropterygia), from the Middle Triassic of Austria; Fieldiana: Geology, New Series, 27, pp.1-17

Rieppel, Oliver (1993) Studies on skeleton formation in reptiles. V. Patterns of ossification in the skeleton of Alligator mississippiensis DAUDIN (Reptilia, Crocodylia); Zoological Journal of the Linnean Society, 109, pp.301-325

Rieppel, Oliver (1993) The status of the Nothosaurian Reptile Elmosaurus lelmensis, with comments on Nothosaurus mirabilis; Palaeontology, 36(4), pp.967-974

Rieppel, Oliver (1994) ; Fieldiana: Geology (New Series), 28

Rieppel, Oliver (1994) Lariosaurus balsami Curioni (Reptilia, Sauropterygia) aus den Gailtaler Alpen; Carinthia II, 104(2), pp.345--356

Rieppel, Oliver (1994) Osteology of Simosaurus gaillardoit and the Relationships of Stem-Group Sauropterygia; Fieldiana: Geology, New Series, 28, pp.1-85

Rieppel, Oliver (1994) Systematic revision of the genus Placodus; Journal of Vertebrate Paleontology, 14(3, Suppl.), pp.43

Rieppel, Oliver (1994) The Braincases of Simosaurus and Nothosaurus: Monophyly of the Nothosauridae (Reptilia: Sauropterygia); Journal of Vertebrate Paleontology, 14(1), pp.9-23

Rieppel, Oliver (1994) The braincases of Simosaurus and Nothosaurus; monophyly of the Nothosauridae (Reptilia: Sauropterygia); journal of Vertebrate Paleontology, 14(1), pp.9--23

Rieppel, Oliver (1994) The status of the sauropterygian reptile Nothosaurus juvenilis from the Middle Triassic of Germany; Palaeontology, 37(4), pp.733-745

Rieppel, Oliver (1995) Fragmenta Sauropterygia; Neues Jahrbuch für Geologie und Palaontologie, 197(3), pp.383-397

Rieppel, Oliver (1995) Fragmenta Sauropterygiana; Neues Jahrbuch fuer Geologie und Palaeontologie. Abhandlungen, 197(3), pp.383--397

Rieppel, Oliver (1995) The pachypleurosaur Neusticosaurus (Reptilia, Sauropterygia) from the Middle Triassic of Perledo, Northern Italy; Neues Jahrbuch für Geologie und Palaontologie, 4, pp.205-216

Rieppel, Oliver (1995) The pachypleurosaur Neusticosaurus (Reptilia, Sauropterygia) from the Middle Triassic of Perledo, northern Italy; Neues Jahrbuch fuer Geologie und Palaeontologie. Monatshefte, 1995(4), pp.205--216

Rieppel, Oliver (1995) The status of Anarosaurus multidentatus von Huene (Reptilia, Sauropterygia), from the Lower Anisian of the Lechtaler Alps (Arlberg, Austria).; Paläont. Z., 69(1/2), pp.289-299

Rieppel, Oliver (1995) The status of Anarosaurus multidentatus von Huene (Reptilia, Sauropterygia), from the lower Anisian of the Lechtaler Alps (Arlberg, Austria); Palaeontologische Zeitschrift, 69(1-2), pp.289--299

Rieppel, Oliver (1995) The status of the sauropterygian reptile Nothosaurus juvenilis from the Middle Triassic of Germany; Palaeontology, 37, Part 4, pp.733--745

Rieppel, Oliver (1996) The status of the sauropterygian reptile Partanosaurus zitteli Skuphos from the Middle Triassic of the Austrian Alps, with comments on Microleptosaurus schlosseri Skuphos; Palaeontologische Zeitschrift, 70(3-4), pp.567--577

Rieppel, Oliver (1997) An unusual sauropterygian from the Triassic of the Savinja Alps of Northern Slovenia; Neues Jahrbuch für Geologie und Palaontologie, 4, pp.244-254

Rieppel, Oliver (1997) An unusual sauropterygian from the Triassic of the Savinja Alps of northern Slovenia; Neues Jahrbuch fuer Geologie und Palaeontologie. Monatshefte, 1997(4), pp.244--254

Rieppel, Oliver (1997) Introduction: Sauropterygia.; (Part II), pp.107-119

Rieppel, Oliver (1997) Part II, Sauropterygia; introduction; , pp.107-119

Rieppel, Oliver (1997) Revision of the Sauropterygian Reptile Genus Cymatosaurus V Fritisch, 1894, and the Relationships of Germanosaurus Nopcsa, 1928, from the Middle Triassic of Europe.; Fieldiana: Geology, New Series, Number 36, pp.138

Rieppel, Oliver (1997) Sauropterygia from the Muschelkalk of Djebel Rehach, southern Tunisia; Neues Jahrbuch für Geologie und Palaontologie, 9, pp.517-530

Rieppel, Oliver (1997) Sauropterygia from the Muschelkalk of Djebel Rehach, southern Tunisia; Neues Jahrbuch fuer Geologie und Palaeontologie. Monatshefte, 1997(9), pp.517--530

Rieppel, Oliver (1997s) Revision of the sauropterygian reptile genus Cymatosaurus v. Fritsch, 1894, and the relationships of Germanosaurus Nopsca, 1928, from the Middle Triassic of Europe; Fieldiana: Geology (New Series), 36

Rieppel, Oliver (1998) Sauropterygia from the Middle Triassic of the northern Gondwana shelf; Hallesches Jahrbuch fuer Geowissenschaften. Reihe B: Geologie, Palaeontologie, Mineralogie. Beiheft, 5, pp.150

Rieppel, Oliver (1998) The status of Shingyisaurus unexpectus from the Middle Triassic of Kweichou, China; Journal of Vertebrate Paleontology, 18(3), pp.541--544

Rieppel, Oliver (1998) The systematic status of Hanosaurus hupehensis (Reptilia, Sauropterygia) from the Triassic of China; Journal of Vertebrate Paleontology, 18(3), pp.545--557

Rieppel, Oliver (1999) Phylogeny and paleobiogeography of Triassic Sauropterygia; problems solved and unresolved; Palaeogeography, Palaeoclimatology, Palaeoecology, 153(1-4), pp.1--15

Rieppel, Oliver (1999) The sauropterygian genera Chinchenia, Kwangsisaurus, and Sanchiaosaurus from the Lower and Middle Triassic of China; Journal of Vertebrate Paleontology, 19(2), pp.321--337

Rieppel, Oliver (1999) Variation of cranial characters in Cymatosaurus "gracilis" Schrammen 1899 (Reptilia, Sauropterygia), and its implication for systematics; Palaeontologische Zeitschrift, 73(3-4), pp.369--375

Rieppel, Oliver (2000) Handbuch der Paläoherpetologie, Teil 12A. Sauropterygia I .;

Rieppel, Oliver (2000) review of 'Cladistics (Second Edition); Historical Biology, 14, pp.211-212

Rieppel, Oliver (2002) The dermal armor of the cyamodontoid placodonts (Reptilia, Sauropterygia); morphology and systematic value; Fieldiana: Geology (New Series), 46

Rieppel, Oliver (2003) The paleobiogeography of Triassic Sauropterygia; Journal of Vertebrate Paleontology, 23(3, Suppl.), pp.89

Rieppel, Oliver and Hagdon, Hans (1997) Paleobiogeography of middle Triassic Sauropterygia in Central and Western Europe; Chapter 5(Part II), pp.121-144

Rieppel, Oliver and Kebang, Lin (1995) Pachypleurosaurs (Reptilia: Sauropterygia) from the Lower Muschelkalk, and a Review of the Pachypleurosauroidea; Fieldiana: Geology, New Series, 32, pp.1-44

Rieppel, Oliver and Nosotti, Stefania (2002) A skull of Cyamodus (Sauropterygia, Placodontia) from the Triassic of Fusea, province of Udine, northeastern Italy; Atti della Societa Italiana di Scienze Naturali e del Museo Civico di Storia Naturale de Milan

Rieppel, Oliver and Vecchia, Fabio M.Dalla (2001) Marine reptiles from the Triassic of the Tre Venezie area, northeastern Italy; Fieldiana: Geology (New Series), 44

Rieppel, Oliver and Werneburg, Ralf (1998) A new species of the sauropterygian Cymatosaurus from the lower Muschelkalk of Thuringia, Germany; Palaeontology, 41, Part 4, pp.575--589

Rieppel, Oliver and Wild, Rupert (1994) Nothosaurus edingerae SCHULTZE, 1970: Diagnosis of the Species and Comments on its Stratigrahpical Occurrence; Stuttgarter Beiträge zur Naturkunde, Serie B (Geolog(204), pp.1-13

Rieppel, Oliver and Wild, Rupert (1996) A revision of the genus Nothosaurus (Reptilia: Sauropterygia) from the Germanic Triassic, with comments on the status of Conchiosaurus clavatus; Fieldiana: Geology (New Series), 34

Riess, Jürgen and Frey, Eberhard (1991) The evolution of underwater flight and the locomotion of plesiosaurs; , pp.131-144

Riggs, Elmer Samuel (1939) A new specimen of Elasmosaurus serpentinus; Field Museum of Natural History, Geology Series, 6, pp.385-391

Riggs, Elmer Samuel (1939) A specimen of Elasmosaurus serpentinus; Geological Series of Field Museum of Natural History, VI(No. 25), pp.385-391

Riggs, Elmer Samuel (1944) A New Polycotylid Plesiosaur; The University Of Kansas Science Bulletin, XXX(1), pp.77-87

Riley, Henry and Sutchbury, Samuel (1837) On an additional Species of the newly-discovered Saurian Animals in the Magnesian Conglomerate of Durdham Down, near Bristol; Report of the British Association for the Advancement of Science, Volume F., 1836, pp.9

Ritchie (1979) Sea monster in Opal - or the one that got away?; Australian Natural History, 19(12), pp.408-412

Ritchie (1990) Return of the great sea monsters; Australian Natural History, 23(7), pp.539-545

Robinson, D. N. (1987) Section officers' reports. Geology.; Transactions of the Lincolnshire Naturalists' Union, 21(4), pp.174-178

Robinson, J.A. (1975) The Locomotion of Plesiosaurs; Neues Jahrbuch für Geologie und Palaontologie, 149(3), pp.286-332.

Robinson, J.A. (1977) Intracorporal Force Transmission in Plesiosaurs; Neues Jahrbuch für Geologie und Palaontologie, 153(1), pp.86-128

Romer, Alfred S. (1956) Osteology of Reptiles; , pp.772p

Romer, Alfred S. (1959) A mounted skeleton of the Giant Plesiosaur Kronosaurus; Breviora, No. 112, pp.1-14

Romer, Alfred S. (1966) Vertebrate Paleontology; , pp.468pp

Romer, Alfred S. (1967) Early Reptilian evolution re-viewed; Evolution: International Journal of Organic Evolution, 21, pp.821-833

Romer, Alfred S. and Lewis, A. D. (1965) Mounted skeleton of a giant plesiosaur; Breviora, 112, pp.1-15

Ronander, Patrick (2007) A description and phylogenetic relationship of a polycotylid plesiosaur (Reptilia: Sauropterygia) from the Upper Cretaceous (Turonian) of Goulmima, Morocco; MSc, pp.49

Rothschild, Bruce M and Berman, David S. (1991) Fusion of caudal vertebrae in Late Jurassic sauropods; journal of Vertebrate Paleontology, 11(1), pp.29--36

Rothschild, Bruce M and Storrs, Glenn W. (2000) Decompression syndrome in plesiosaurs; Journal of Vertebrate Paleontology, 20(3, Suppl.), pp.65

Rothschild, Bruce M and Storrs, Glenn W. (2003) Decompression syndrome in plesiosaurs (Sauropterygia, Reptilia); Journal of Vertebrate Paleontology, 23(2), pp.324-328

Rothschild, Bruce M and Storrs, Glenn W. (2003) Decompression syndrome in plesiosaurs (Sauropterygia: Reptilia); Journal of Vertebrate Paleontology, 23(2), pp.324-328

Rozhdestvensky, A K (1947) [Discovery of a giagantic plesiosaur in the Volga region (left bank)]; Doklady AN SSR, 56, pp.197-199

Rupke, Nicolaas A (1993) Richard Owen's Vertebrate Archetype; Isis, 84(2), pp.231-251

Rusconi, Carlos (1943) Namuncuranaia malarquense; ?,

Rusconi, Carlos (1948) Nuevo plesiosaurio, pez y langostas del mar jurasico de Mendoza.; Mendoza, Mus. Hist. Nat., Rev, 2(1-2), pp.3-12

Russell, Dale A. (1967) Cretaceous vertebrates from the Anderson River, N.W.T; Canadian Journal of Earth Sciences Journal Canadien des Sciences de la Terre, 4(1), pp.21--38

Russell, Dale A. (1990) Mesozoic vertebrates in Arctic Canada; , pp.81-90

Russell, Dale A. (1994) Jurassic marine reptiles from Cape Grassy, Melville Island, Arctic Canada; Bulletin - Geological Survey of Canada, , pp.195--201

Russell, Loris Shano ((date unknown)) Cretaceous Vertebrates from Arctic Canada.;

Russell, Loris Shano (1931) Fresh-water Plesiosaurs; Canadian Field Naturalist., 45, pp.135-137

Russell, Loris Shano (1935) Plesiosaur from the Late Cretaceous of Manitoba; Proceedings of the Geologial Society of America, , pp.378

Russell, Loris Shano (1967) Cretaceous Vertebrates from the Anderson River N.T.; Canadian Journal of Earth Sciences, 4, pp.21-38

Russell, Loris Shano (1975) Reptilian diversity and the Cretaceous-Tertiary Boundary in North America; Geological Association of Canada, Special Papers, 13, pp.119-136

Russell, Loris Shano (1990) The Niobrara Vertebrate assemblage and the evolution of the Jura-Cretaceous Pelagic Marine Vertebrates; Journal of Vertebrate Paleontology, 10(Supplement to N)

Rutter, J. G. (1961) Alum: A brief history of a dead industry; Transactions of the Scarborough and District Achaelogical Society, 1, pp.3-6

Ryabinin, A. N. (1909) Zwei Plesiosaurier aus den jura-und Kreideablagerungen russlands; Mémoires du Comité Géologique, St Petersburg;, 43, pp.1-49

Ryabinin, A. N. (1915) [Note on a plesiosaur from Sakhalin Island]; Geologicheskii Vestnik, 1, pp.82-87

Ryabinin, A. N. (1936) [A vertebra of a plesiosaur from Franz-Joseph Land]; Trudy Arkticheskogo Instituta, 58, pp.143-146

Ryabinin, A. N. (1939) On new discoveries of Plesiosauria in Soviet Arctics and of a centrum of a cervical vertebra of Plesiosaurus latispinus Owen from the Lonely island in the Kara sea [Russia]; Problems of the Arctic (Arctic Inst., Leningrad), 9, pp.49

Ryabinin, A. N. (1939) [New discoveries of Plesiosauria in the Soviet Arctic and a cervical vertebra of Plesiosaurus latispinus Owen from Lonely Island in the Kara Sea]; Problemi Arktiki, 9, pp.49-53