. Bulletin of the British Museum (Natural History), Geology. PALAEONISCOID FISHES AND THE CHONDROSTEI 167 distinct ornamentation is visible on both the supracleithrum and the cleithrum, consisting of lines of sharply pointed tubercles that follow the length of the bone. Anteriorly a short clavicle can be seen. The pectoral fin is small with eleven to thirteen lepidotrichia. Apart from the ray forming the leading edge all the lepidotrichia have distinct articulations. The pelvic fin is larger with fourteen to sixteen rays, all of them articulated. The unpaired fins. The dorsal fin is composed o
. Bulletin of the British Museum (Natural History), Geology. PALAEONISCOID FISHES AND THE CHONDROSTEI 167 distinct ornamentation is visible on both the supracleithrum and the cleithrum, consisting of lines of sharply pointed tubercles that follow the length of the bone. Anteriorly a short clavicle can be seen. The pectoral fin is small with eleven to thirteen lepidotrichia. Apart from the ray forming the leading edge all the lepidotrichia have distinct articulations. The pelvic fin is larger with fourteen to sixteen rays, all of them articulated. The unpaired fins. The dorsal fin is composed of about fifteen stout, articulated lepidotrichia and is preceded by two ridge scales. The anal fin is longer based than the dorsal and is made up of more rays, between twenty-five and twenty-eight. As in the dorsal fin there are two or three basal fulcra (Woodward 1942) in the anal forming a stout leading edge to the 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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