. Breviora. 1972 AFRICAN CLUPEID FISH 17. Figure 13. Axial skeleton of Thrattidion noctivagits, lateral view. hypaxials are unbranched. The anterior hypaxials are almost as long as the ribs and are expanded near their proximal ends into a triangular lamella. There are ten to twelve supraneural bones. The first supra- neural lies just dorsal to the first neural spine; the last lies over the tenth to twelfth neural spine. Caudal skeleton (Fig. 14). Caudal skeleton with six hypurals, hypural 1 separated from ural centrum 1 by a distinct gap. Preural centrum 1, ural centrum 1 and ural cent

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. Breviora. 1972 AFRICAN CLUPEID FISH 17. Figure 13. Axial skeleton of Thrattidion noctivagits, lateral view. hypaxials are unbranched. The anterior hypaxials are almost as long as the ribs and are expanded near their proximal ends into a triangular lamella. There are ten to twelve supraneural bones. The first supra- neural lies just dorsal to the first neural spine; the last lies over the tenth to twelfth neural spine. Caudal skeleton (Fig. 14). Caudal skeleton with six hypurals, hypural 1 separated from ural centrum 1 by a distinct gap. Preural centrum 1, ural centrum 1 and ural centrum 2 fused. epurals 1-3 urostyle. 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 Harvard University. Museum of Comparative Zoology. Cambridge, Mass. , Museum of Comparative Zoology, Harvard University

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