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Researches on the Structure, Organization, and Classification of the Fossil Reptilia VII Further Observations on Pareiasaurus . PLATE 19. Fig. 1. Palatal aspect of the skull of Pareiasaurus Baini, showing the positions ofthe teeth in the premaxillary and maxillary bones. The vomerine, palatine,and pterygoid bones are covered with double parallel rows of teeth, whichconverge backwards towards the vacuity of the palato-nares. is thebase of the occipital condyle; c. the condyle of the quadrate bone; one-third natural size. Fig. 2. External aspect of a maxillary tooth from the Tamboer specime
Researches on the Structure, Organization, and Classification of the Fossil Reptilia VII Further Observations on Pareiasaurus . PLATE 19. Fig. 1. Palatal aspect of the skull of Pareiasaurus Baini, showing the positions ofthe teeth in the premaxillary and maxillary bones. The vomerine, palatine,and pterygoid bones are covered with double parallel rows of teeth, whichconverge backwards towards the vacuity of the palato-nares. is thebase of the occipital condyle; c. the condyle of the quadrate bone; one-third natural size. Fig. 2. External aspect of a maxillary tooth from the Tamboer specimen ; naturalsize. Fig. 3 and fig. 4 are from the jaws of Pareiasaurus Russouun from the top of theNieuwveldt range, midway between Klip-fontein and Fraserberg; naturalsize. Fig. 3 is the external aspect of a maxillary tooth, with the denticles nearly on thesame level, and the tooth flat; natural size. Fig. 4 is a mandibular tooth from the same specimen seen from the inner side of thejaw, showing the radiating denticles. A successional tooth of similarcharacter is seen below; natural Palate of Pareiasaurus 20. Fig. 1. Palate of the Tamboer specimen referred to Pareiasaurus bombidens, showingteeth scattered in the interspaces between the rows. This palate is con-tinuous with the maxillary bones; w. is an intercentrum below the basi-occipital. Fig. 2. The same palate seen from the side, so as to show the superior and inferiorsurfaces of the bones, and position of the maxillary and mandibular bones. Fig. 3. A single tooth from the palate, showing its cylindrical curved character.
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Keywords: ., bookauthorseeleyh, bookcentury1800, bookdecade1890, bookyear1892