. Bulletin - United States National Museum. Science. Fig. 16.—.\, Oblique .side view of brain case of Antrodemus valens Leibt, No. , A. M., N. H. J nat. size. B. the SAME VrtTH POSTFRONTAL AND SQUAMOSAL REMOVED; , BASIPTETGOID PROCESSES; BASISPHENOID; car. in, CAROTID INTERNUS; Con, OCCIPITAL CONDYLE; , FORAMEN MAGNUM; , FENESTRA OVALIS; Fr, FRONTAL; Op. 0, paroccipital; , alisphenoid; Pa, parietal; Po, posiorbit.\l complex; , prootic; , pkesphenoid; , COTYLUS FOR QUADRATE; , SUPRAOCCIPITAL; Sq, SQUAMOSAL; tub. , TUBEROSITY OF BASIOCCIPITA
. Bulletin - United States National Museum. Science. Fig. 16.—.\, Oblique .side view of brain case of Antrodemus valens Leibt, No. , A. M., N. H. J nat. size. B. the SAME VrtTH POSTFRONTAL AND SQUAMOSAL REMOVED; , BASIPTETGOID PROCESSES; BASISPHENOID; car. in, CAROTID INTERNUS; Con, OCCIPITAL CONDYLE; , FORAMEN MAGNUM; , FENESTRA OVALIS; Fr, FRONTAL; Op. 0, paroccipital; , alisphenoid; Pa, parietal; Po, posiorbit.\l complex; , prootic; , pkesphenoid; , COTYLUS FOR QUADRATE; , SUPRAOCCIPITAL; Sq, SQUAMOSAL; tub. , TUBEROSITY OF BASIOCCIPITAL; tub. , TUBEROSITY OF BASISPHENOID; I, II, III, IV, V, VII, IX, XI, XII, FORAMINA FOR OF NERVES. PARAOCCIPITAL REPRESENTED AS TRANSPARENT IN ORDER TO SHOW FORAMINA. BOTH FIGURES (AFTER OSBORN). Supratemjjoral fossa ().—The supratemporal fossae are of large size, espe- cially when compared with those of Ceratosaurus nasicornis. Although these vacui- ties are considerably larger than as represented tu Marsh's restoration of the top view of the skull of that animal. This fossa in Antrodemus is bounded anteriorly by the frontals, alisphenoid, and postorbitals; externally by the postorbital and squamosal above, below by the prootic and exoccipital; internally by the parietal, prootic and alisphenoid. The dental formula of Antrodemus valens Leidy as shown by a study of several individuals: Upper jaw: premaxillary, 5; maxillary, 15 to 17; total, 20 to 22. Lower jaw: Dentary, Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.
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