Annals of the South African MuseumAnnale van die Suid-Afrikaanse Museum . rather than to the Peroniceratinae, as in the current Treatise (Wright1957: L429). Yabeiceras is an uncommon genus represented by four species in Japan:Y. orientate Tokunaga & Shimizu, Y. kotoi Tokunaga & Shimizu, Y. himuroiTokunaga & Shimizu, and Y. manasoaense Collignon, whilst Basse (1946) andCollignon (1965) record six species from Madagascar: Y. magnumtuberculatumBasse, Y. manasoaense Collignon, Y. menabense Collignon, Y. costatum Col-lignon and Y. ankinatsyense Collignon. Undescribed species also occur inZululand (
Annals of the South African MuseumAnnale van die Suid-Afrikaanse Museum . rather than to the Peroniceratinae, as in the current Treatise (Wright1957: L429). Yabeiceras is an uncommon genus represented by four species in Japan:Y. orientate Tokunaga & Shimizu, Y. kotoi Tokunaga & Shimizu, Y. himuroiTokunaga & Shimizu, and Y. manasoaense Collignon, whilst Basse (1946) andCollignon (1965) record six species from Madagascar: Y. magnumtuberculatumBasse, Y. manasoaense Collignon, Y. menabense Collignon, Y. costatum Col-lignon and Y. ankinatsyense Collignon. Undescribed species also occur inZululand (Kennedy & Klinger 1975). All records of Yabeiceras are of eitherLower or Middle Coniacian age. Yabeiceras manasoaense Collignon, 1965Figs 1-4 Yabeiceras manasoaense Collignon, 1965: 84, pi. 452 (fig. 1839).Matsumoto 1971: 144, pi. 24 (55) (fig. 2), text-fig. 9 (110). Holotype The specimen figures by Collignon (1965, pi. 452 (fig. 1839)) from theConiacian of Manasoa (Betioky), Madagascar. YABE1CERAS (CONIACIAN AMMONITE) OFF THE SOUTHERN CAPE COAST 163 .,.
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Keywords: ., bookauthorsouthafr, bookcentury1800, bookdecade1890, bookyear1898
