. Bulletin of the British Museum (Natural History), Geology. 314 REDFIELDIIFORM AND PERLEIDIFORM progressively larger ventrally. The dermopterotic is similar in shape to that in C. extoni, except that it is deeper, especially posteriorly. The infraorbital sensory canal runs roughly through the centre of the dermopterotic, and is not limited to the ventral edge of this bone. There is no sign of subdivision of the dermopterotic as figured by Wade (1935 : text-fig. 23); however, there is a lozenge-shaped element lying between the ventral edge of the extrascapular and the dorsal edge of the opercu
. Bulletin of the British Museum (Natural History), Geology. 314 REDFIELDIIFORM AND PERLEIDIFORM progressively larger ventrally. The dermopterotic is similar in shape to that in C. extoni, except that it is deeper, especially posteriorly. The infraorbital sensory canal runs roughly through the centre of the dermopterotic, and is not limited to the ventral edge of this bone. There is no sign of subdivision of the dermopterotic as figured by Wade (1935 : text-fig. 23); however, there is a lozenge-shaped element lying between the ventral edge of the extrascapular and the dorsal edge of the opercular (P. 15754). Comparison with C. extoni suggests that this bone is an accessory dermopterotic. The opercular series is inclined antero-ventrally at an angle similar to that seen in C. extoni. The opercular is 'D'-shaped, and there is a triangular dermohyal at its ro-ant. 'pel Fig. 44. Cleithrolepis granulata Egerton. Restoration of skull and pectoral girdle, X4-5 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 British Museum (Natural History). London : BM(NH)
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