Catalogue of the fossil Reptilia and Amphibia in the British Museum (Natural history) ..By Richard Lydekker .. . imestones of Eichstadt, Bavaria. Eiguredby Meyer in the Palaeontographica, vol. xi. pi. xxxiii., andprovisionally referred to the present species. The resem-blance of the teeth to those of the type specimens figuredby Wagner, op. cit., leaves little doubt as to their specificidentity. The form of the rostrum and the structureof the teeth closely resemble the corresponding parts inI. entheciodon. Van Breda Collection. Purchased, Gelehrte Anzeigen, vol. xxxvi. p. 20 (1853). 32
Catalogue of the fossil Reptilia and Amphibia in the British Museum (Natural history) ..By Richard Lydekker .. . imestones of Eichstadt, Bavaria. Eiguredby Meyer in the Palaeontographica, vol. xi. pi. xxxiii., andprovisionally referred to the present species. The resem-blance of the teeth to those of the type specimens figuredby Wagner, op. cit., leaves little doubt as to their specificidentity. The form of the rostrum and the structureof the teeth closely resemble the corresponding parts inI. entheciodon. Van Breda Collection. Purchased, Gelehrte Anzeigen, vol. xxxvi. p. 20 (1853). 32 ICHTHYOPTERYGIA. rostrum very long and Ichthyosaurus entheciodon, Hulke \ Typically of medium size. Cranialslender ; teeth small, with bulbous roots. Vertebras (if No. 46473 ebe rightly referred) with the cupping of the posterior face of thecentra confined to the central region, and the costal tubercles of thedorsals very small. Inner border of coracoids greatly (fig. 16) long, with its trochanteric and opposite ridgesmoderately developed, so that the lateral surface of the proximal Fig. Ichthyosaurus entheciodon.—Dorsal, postaxial, and distal aspects of the rightfemur ; from the Kimeridge Clay of Weymouth. \ a, trochantericridge , t, tibial, /, fibular facet. portion is narrower than the dorsal. Limbs relatively very small ;the humerus and femur in the type skeleton being not larger thanin I. latifrons {infra, p. 89), where the vertebral centra are onlyhalf the size of those of the present form ; whether this form isreally distinct from the preceding species remains to be Europe (England). 46497. Slab showing the right lateral aspect of the nearly entire(Fig.) skeleton; from the Kimeridge Clay (Upper Jurassic) ofKimeridge Bay, Dorsetshire. Described and figured byHulke in the Quart. Journ. Geol. Soc vol. xxvii. p. 440,pi. xvii. This specimen is in rather bad preservation;the extremity of the caudal region is wanting, and of thelimbs only the
Size: 2241px × 1115px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorlydekkerrichard184919, bookcentury1800, bookdecade1880
