Image from page 201 of "Water reptiles of the past and present" (1914) (14586426818)
Summary
Identifier: waterreptilesofp1914will
Title: Water reptiles of the past and present
Year: 1914 (1910s)
Authors: Williston, Samuel Wendell, 1851-1918
Subjects: Aquatic reptiles
Publisher: Chicago, Ill., The University of Chicago Press
Contributing Library: Boston Public Library
Digitizing Sponsor: Boston Public Library
Text Appearing Before Image:
Fig. 93.—Skull of Mystriosuckus, a phytosaur: pm,premaxilla; m, maxilla; na, nasal; /, frontal; p, pre-frontal; /, lacrimal; pf, postfrontal; po, postorbital;pa, parietal; sq, squamosal; qj, quadratojugal;pi, palatine; i, transverse; in, internal nares; en,external nares; pt, pterygoid; bs, basisphenoid; eo,exoccipital. (After McGregor.) 190 WATER REPTILES OF THE PAST AND PRESENT probability they will be discovered there when the Triassic depositsof that continent have been better explored for fossils. In theRocky Mountains, especially, their remains are widely scattered,they have been found in many localities in Wyoming, Colo-rado, Oklahoma, Utah, and New Mexico. Though for the mostpart their known remains from these localities are yet fragmentary,not less than four distinct genera have been described from these
Text Appearing After Image:
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