Cretaceous Faunas from Zululand and Natal, South Africa. the Ammonite Subgenus Hauericeras (Gardeniceras) Matsumoto & Obata, 1955‡
Cretaceous faunas from Zululand and Natal, South Africa. The ammonite subgenus Hauericeras (Gardeniceras) Matsumoto & Obata, 1955‡ William James Kennedy1* & Herbert Christian Klinger2 1Department of Earth Sciences, Oxford University, South Parks Road, Oxford OX1 3AN, U.K. 2Natural History Collections Department, Iziko South African Museum, P.O. Box 61, Cape Town, 8000 South Africa Received 6 September 2011. Accepted 14 December 2011 Four species of the distinctive desmoceratid ammonite Hauericeras (Gardeniceras) Matsumoto & Obata, 1955, are described from KwaZulu-Natal and the Eastern Cape Province: the type species, H. (G.) gardeni (Baily, 1855), from the Santonian to Lower Campanian, H.(G.) pseudoangustum Collignon, 1961, and H. (G.) madagascariense Collignon, 1961, from the Lower Campanian, and H. (G.) rembda (Forbes, 1846) from the upper Upper Maastrichtian. Keywords: ammonites, Hauericeras (Gardeniceras), Santonian, Campanian, Cretaceous, KwaZulu, Eastern Cape Province, South Africa. INTRODUCTION Mossamedites Cooper, 2003a, and Oiophyllites Spath, 1953, Hauericeras (Gardeniceras) gardeni (Baily, 1855) is one of have been referred to the Hauericeratinae. The latter is the most distinctive and immediately recognizable based on tiny desmoceratoidean nuclei and is best treated ammonites from the Santonian–Campanian Mzamba as a nomen dubium. Formation of the coastal outcrops in the northeast of the In introducing his new genus Hauericeras, de Grossouvre Eastern Cape Province. In the cliff outcrops of the St Lucia (1894, p. 219) stated that ‘…Je donne ce nom à la série de Formation on the northwestern shores of False Bay, in formes se rattachant à Ammonites gardeni…’, but took KwaZulu-Natal, the species is abundant, sometimes Ammonites pseudogardeni Schlüter, 1872, p. 54, pl. 16, occurring as imbricate stacks of individuals lying inclined figs 3–6, as type species.
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