File:Cold-blooded vertebrates- part I. Fishes (1930) (20662534425).jpg

Title: Cold-blooded vertebrates: part I. Fishes
Identifier: coldbloodedverte08hild (find matches)
Year: 1930 (1930s)
Authors: Hildebrand, Samuel F. (Samuel Frederick), 1883-1949; Gilmore, Charles Whitney, 1874-; Cochran, Doris M. (Doris Mable), 1898-1968
Subjects: Fishes; Amphibians; Reptiles
Publisher: (New York, Smithsonian institution series, inc. )
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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REPTILES great list of names, but limitation of space permits mention here of only a few conspicuous forms. One of the most ancient of all North American theropods is the Anchisaurus^ whose footprints are found in Triassic strata in the Connecticut Valley. Anchisaurus was a carnivorous animal whose fore limbs were larger in propor-
Text Appearing After Image:
FiG. 62. Skeleton of Anchisaurus colurus, a carnivorous dinosaur from the Triassic of the Connecticut Vallev. After Marsh tion to the hind limbs than those of later carnivorous dinosaurs. The skeleton is slender and delicate, only sur- passed in this respect by some of the birdlike forms of later periods. Anchisaurus solus^ whose estimated length was three and one half feet, is the smallest known member of the genus; while Anchisaurus colurus^ the largest, reached a length of seven feet. By combining parts of several specimens. Professor Marsh was able to reconstruct the entire skeleton oi Anchi- ( 220 )

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