. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. A NEW DICYNODONT REPTILE FROM THE TAPINOCEPHALUS ZONE 9 DESCRIPTION OF THE MATERIAL Type specimen (SAM-11558) Skull The skull is represented by the major portion of the snout and the occipital segment up to the anterior border of the pineal foramen (Figs 1, 2, 3A). In the skull roof the frontals, postorbital bars and zygomatic arches are lacking, while in the ventral midline there is a gap in the pterygoid-basisphenoid central stem at the level of the internal carotid artery foramina. There is thus n
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. A NEW DICYNODONT REPTILE FROM THE TAPINOCEPHALUS ZONE 9 DESCRIPTION OF THE MATERIAL Type specimen (SAM-11558) Skull The skull is represented by the major portion of the snout and the occipital segment up to the anterior border of the pineal foramen (Figs 1, 2, 3A). In the skull roof the frontals, postorbital bars and zygomatic arches are lacking, while in the ventral midline there is a gap in the pterygoid-basisphenoid central stem at the level of the internal carotid artery foramina. There is thus no contact between the front and rear halves of the skull, but as both portions agree completely in size, in colour and in texture of bone and matrix, and were (apparently) in close association when collected, there seems no reason to doubt that they represent parts of a single individual. lac. for. 2 cm Fig. 1. Chelydontops altidentalis gen. et sp. nov. Skull reconstructed in dorsal view, missing areas shown in outline. One-half natural size. In the snout the premaxilla is smoothly curved and slopes far back between the nasals. Behind the nostril the maxilla extends up to meet the nasal, and the septomaxilla is confined to within the nostril. The nasals form low bosses above the nostrils. Although neither side of the palatal rim is completely. 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 South African Museum. Cape Town : The Museum
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky
