Catalogue of the fossil Reptilia and Amphibia in the British Museum (Natural history) ..By Richard Lydekker .. . elatively small, with short mandibular symphysis. Teethslender and not carinated ; the anterior ones not enlarged. Neckusually greatly elongated, with the anterior vertebras very with the arches and cervical ribs usually completelyanchylosed to the centrum, with frequent obliteration of the suture,and with curved zygapophyses and strongly developed zygosphenes. 1 Proc. Ac. Nat. Sci. Philad. for 1851, p. 325 (1852).—Amended. 2 Ibid. p. 326. 3 Ibid, for 1854, p. 72 (18
Catalogue of the fossil Reptilia and Amphibia in the British Museum (Natural history) ..By Richard Lydekker .. . elatively small, with short mandibular symphysis. Teethslender and not carinated ; the anterior ones not enlarged. Neckusually greatly elongated, with the anterior vertebras very with the arches and cervical ribs usually completelyanchylosed to the centrum, with frequent obliteration of the suture,and with curved zygapophyses and strongly developed zygosphenes. 1 Proc. Ac. Nat. Sci. Philad. for 1851, p. 325 (1852).—Amended. 2 Ibid. p. 326. 3 Ibid, for 1854, p. 72 (1854). 4 Ibid, for 1868, p. 92 (1868). 5 Trans. Amer. Phil. Soc. vol. xiv. pt. i. p. 34 (1870). 6 Trans. N. Zealand Inst. vol. vi. p. 346 (1874). 7 Quart. Journ. Geol. Soc. vol. xxx. p. 197 (1874). 8 Ibid. p. 447. 9 Proc. Ac. Nat. Sci. Philad. for 1872, p. 39 (1872). 10 Amer. Nat. vol. xxi. p. 564 (1887). 11 Amer. Geol. vol. ii. p. 405 (1888). PLESIOSAUKID^. 181 Cervicals with moderately or very short centra, having only singlecostal facets (fig. 61), and the terminal faces transversely ellipsoidal Pig. Cimoliosaurus (cf.) trochanterins.—Diagram of the pectoral girdle; from theKimeridge Clay of Ely. Much reduced, s, scapula; g, glenoid cavity;c, coracoid. (From the Quart. Journ. Geol. Soc.) and more or less clipped. Dorsals with forward overhang ofupper part of centrum, and the cupping of the faces correspondingto that of the cervicals. Pectoral girdle (fig. 59) with thescapula? very large and having very broad and flat ventral platesmeeting anteriorly in the median line, and the dorsal portion verysmall and narrow; no omosternum ; coracoids either short and broad,or moderately elongated, usually with a narrow median bar extendingforwards to unite with the scapulas lj scapulo-coracoidal foraminalarge and closed. Pelvis with the ischia (fig. 65) very short andwide. Humerus usually longer than femur, and articulating distallywith either two or three bones, which are freque
Size: 1530px × 1633px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorlydekkerrichard184919, bookcentury1800, bookdecade1880
