Fusion of sacrals and anatomy in Champsosaurus (Diapsida, Choristodera)

Historical Biology

Volumn 19, Issue 3, 2007, Pages 263-271

  Katsura, Yoshihiro ^a  

^a Gifu Prefectural Museum   (Japan)

Author keywords

Champsosaurus; Ethology; Late Cretaceous Early Eocene; North America; Sacral fusion; Sexual dimorphism

Indexed keywords

ADAPTATION; ADULT; ANATOMY; CRETACEOUS; EOCENE; ETIOLOGY; EVOLUTION; NESTING BEHAVIOR; ONTOGENY; PATHOLOGY; REPTILE; SEXUAL DIMORPHISM;

NORTH AMERICA;

CHORISTODERA; SAURIA;

EID: 34250636290     PISSN: 08912963     EISSN: 10292381     Source Type: Journal    
DOI: 10.1080/08912960701374659     Document Type: Article

References (28)

1. Bedi, R. (1984) Indian wildlife, pp. 1-312. Brijbasi, New Delhi
2. Brinkman, DB and Dong, ZM (1993) New material of Ikechosaurus sunailinae (Reptilia: Choristodira) from the Early Cretaceous Laohongdong Formation, Ordos Basin, Inner Mongolia, and the interrelationships of the genus. Can J Earth Sci, 30, pp. 2153-2162.
3. Brown, B. (1905) The osteology of Champsosaurus Cope. Am Mus Nat Hist Mem, 9, pp. 1-26.
4. Erickson, BR (1972) The lepidosaurian reptile Champsosaurus in North America. Monogr Sci Mus Minnesota (Paleontol), 1, pp. 1-91.
5. Erickson, BR (1981) Champsosaurus tenuis (Reptilia: Eosuchia) a new species from the late Paleocene of North America. Sci Mus Minnesota Sci Pub N S, 5, pp. 1-14.
6. Erickson, BR (1985) Aspects of some anatomical structures of Champsosaurus (Reptilia: Eosuchia). JVP, 5, pp. 111-127.
7. Evans, SE (1981) The postcranial skeleton of the Lower Jurassic eosuchian Gephyrosaurus bridensis. Zool J Linn Soc, 73, pp. 81-116.
8. Evans, SE (1991) The postcranial skeleton of the choristodere Cteniogenys (Reptilia: Diapsida) from the Middle Jurassic of England. Géobios, 24, pp. 187-199.
9. Evans, SE and Hecht, MK (1993) A history of an extinct reptilian clade, the Choristodera: Longevity, Lazarus taxa, and the fossil record. Evol Biol, 27, pp. 323-338.
10. Gao, K. and Fox, RC (1998) New choristoderes (Reptilia: Diapsida) from the Upper Cretaceous and Paleocene, Alberta and Saskatchewan, Canada, and phylogenetic relationships of Choristodera. Zool J Linn Soc, 124, pp. 303-353.
11. Katsura, Y. (2004) Sexual dimorphism in Champsosaurus (Diapsida, Choristodera). Lethaia, 37, pp. 245-253.
12. Maharana, S. and Bustard, HR (1982) Behaviour of the male gharial during the nesting and post-hatching period. J Bombay Nat Hist Soc, 79, pp. 677-681.
13. Parks, WE (1927) Champsosaurus albertensis, a new species of rhynchocephalian from the Edmonton formation of Alberta. Univ Toronto Stud Geol Ser, 25, pp. 1-48.
14. Parks, WE (1933) New species of Champsosaurus from the Belly River Formation of Alberta, Canada. Trans R Soc Can, 27, pp. 121-137.
15. Resnick, D., Shapiro, RF, Wiesner, KB, Niwayama, G., Utsinger, PD and Shaul, SR (1978) Diffuse idiopathic skeletal hyperostosis (DISH) [ankylosing hyperostosis of Forestier and Rotes-Querol]. Semin Arthritis Rheum, 7, pp. 153-187.
16. Rieppel, O. (1989) A new pachypleurosaur (Reptilia: Sauropterygia) from the Middle Triassic of Monte San Giorgio, Switzerland. Philos Trans R Soc Lond B, 323, pp. 1-73.
17. Rothschild, BM (1987) Diffuse idiopathic skeletal hyperostosis as reflected in the paleontologic record: Dinosaurs and early mammals. Semin Arthritis Rheum, 17, pp. 119-125.
18. Rothschild, BM (1994) Paleopathology and the sexual habits of dinosaurs, as derived from study of their fossil remains. Paleo Soc Spec Pub, 7, pp. 275-283.
19. Rothschild, BM (1997) Dinosaurian paleopathology. The complete Dinosaur, pp. 426-448. Indiana University Press, Bloomington and Indianapolis
20. Rothschild, BM and Berman, D. (1991) Fusion of caudal vertebrae in Late Jurassic sauropods. JVP, 11, pp. 29-36.
21. Rothschild, BM and Tanke, DH (1992) Paleopathology of vertebrates: Insights to lifestyle and health in the geological record. Geosci Can, 19, pp. 73-82.
22. Russell, LS (1956) The Cretaceous reptile Champsosaurus natator Parks. Bull Nat Mus Can, 145, pp. 1-51.
23. Sander, PM (1989) The pachypleurosaurids (Reptilia: Nothosauria) from the Middle Triassic of Monte San Giorgio (Switzerland) with the description of a new species. Philos Trans R Soc Lond B, 325, pp. 561-666.
24. Sawyer, GT and Erickson, BR (1998) Paleopathology of the Paleocene crocodile Leidyosuchus ( = Borealosuchus) formidabilis. Monogr Sci Mus Minnesota, 4, pp. 1-38.
25. Sigogneau-Russell, D. (1981) Étude ostélogique du reptile Simoedosaurus (Choristodera). IIe partie: Squellette postocranien. Ann Paléntol (Vertébr), 67, pp. 61-140.
26. Storrs, GW (1991) Anatomy and relationships of Corosaurus alcovensis (Diapsida: Sauropterygia) and the Triassic Alcova Limestone of Wyoming. Bull Peabody Mus Nat Hist, 44, pp. 1-151.
27. Storrs, GW and Gower, DJ (1993) The earliest possible choristodere (Diapsida) and gaps in the fossil record of semi-aquatic reptiles. J Geol Soc Lond, 150, pp. 1103-1107.
28. Storrs, GW, Gower, DJ and Large, NF (1996) The diapsid reptile, Pachystropheus rhaeticus, a probable choristodere from the Rhaetian of Europe. Palaeontology, 39, pp. 323-349.