References – O

T. 1970. Discovery of elasmosaur from the Upper Cretaceous Futaba Group.
?, 76, ?, 3, 161-164.

F. R. 2001a. A cladistic analysis and taxonomic revision of the Plesiosauria
(Reptilia: Sauropterygia). Acta Zoologica Fennica, 213,

F. R. 2001b. Ecomorphology of plesiosaur flipper geometry. Journal
of Evolutionary Biology, 14, 987-991.

F. R. 2002. The evolution of plesiosaur and pliosaur morphotypes in
the Plesiosauria (Reptilia: Sauropterygia). Palaeobiology, 28,
(1), 101-112.

and Wahl, W. 2003a.Current taxonomic status of the plesiosaur Pantasaurus
striatus from the Upper Jurassic Sundance Formation, Wyoming. Paludicola,
4, 37-46.

and Wahl, W. 2003b. Preliminary report on the osteology and relationships
of a new aberrant cryptocleidoid plesiosaur from the Sundance Formation,
Wyoming. Paludicola, 4, 48-68.

—– 2004a. On the cranial anatomy
of the polycotylid plesiosaur, including new material of Polycotylus
latipinnis. Journal of Vertebrate Paleontology, 24, 326-340.

—– 2004b. Preliminary description
and phylogenetic position of a new plesiosaur (Reptilia: Sauropterygia)
from the Toarcian of Holzmaden, Germany. Journal of Paleontology, 78,

OWEN, R. 1865. A monograph on the fossil Reptilia of the Liassic Formations. Part 3. Sauyropterygia. Monograph of the Palaeontographical Society, 17, 1-40, pl. 1-16.

—– 1869. Monograph on the British fossil Reptilia from the Kimmeridge Clay. Part 3, containing Pliosaurus
grandis, P. trochanterius and P. portlandicus. Monograph of the Palaeontographical
Society, 3,1-12, pl. 1-4.

1883. On generic characters in the order Sauropterygia. Quarterly Journal
of the Geological Society, 39, 133-138.