. Bulletin of the British Museum (Natural History), Geology. Parmularius ruqosus Parmularius angusticornis Domaliscus niro Damahscus 'â ^^''""^ Rabaticeras orambourqi Oreonaqor tournoueri. Damalops palaeindicus ?Parmularius sp. r ââ.âi;i ,qcq ott [Lasto I / Fig. 28 Suggested phylogeny for alcelaphines of the Connochaetes, Parmularius and Alcelaphus/ Domaliscus groups. Living species are shown above the horizontal line, and age is shown on the left in millions of years. There is also a horn core from Kranskraal, 12 horn cores from Florisbad
. Bulletin of the British Museum (Natural History), Geology. Parmularius ruqosus Parmularius angusticornis Domaliscus niro Damahscus 'â ^^''""^ Rabaticeras orambourqi Oreonaqor tournoueri. Damalops palaeindicus ?Parmularius sp. r ââ.âi;i ,qcq ott [Lasto I / Fig. 28 Suggested phylogeny for alcelaphines of the Connochaetes, Parmularius and Alcelaphus/ Domaliscus groups. Living species are shown above the horizontal line, and age is shown on the left in millions of years. There is also a horn core from Kranskraal, 12 horn cores from Florisbad (all numbered ), six from Cornelia (five numbered and one ), three from Rustfontein (, and ), one from Vlakkraal (), some doubtful horn cores and small mandibles from Mahemspan, and possibly two horn cores from Elandsfontein (8560 and 20043). The horn from the Wonderwerk Cave described by Wells (1943 : 268) as cf. Capra walie belongs to D. niro. Wells (1970) also reports D. niro from Driefontein in the Cape Province. The Florisbad horn cores are smaller than those from Cornelia, and even the latter are smaller than the very large East African specimen from Peninj (Fig. 27). None show the abrupt bending back in mid course seen in many of the Olduvai Bed II horn cores assigned to D. niro. It is interesting that only two possible horn cores of this species are known from Elandsfontein. Since the size diminishes in passing from Cornelia to Florisbad one wonders whether the species recently became extinct or whether it was transformed into D. dorcas. The former seems more likely on the present insubstantial evidence. A left horn core from Florisbad has been noticed by Wells & Cooke (ms.) as possibly the blesbok, and we found two very similar horn cores in Cape Town, also from Florisbad, a right 3462 and a left 3464. Neither the inclination nor divergence of insertions can be assessed on these horn cores. They are larger than
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