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African Natural History

versión On-line ISSN 2305-7963
versión impresa ISSN 1816-8396


Cretaceous faunas from Zululand and Natal, South Africa. The ammonite subfamily Acanthoceratinae de Grossouvre, 1894. Afr. nat. history (Online) [online]. 2010, vol.6, pp.1-76. ISSN 2305-7963.

Ammonites of the subfamily Acanthoceratinae occur in abundance at a single locality in KwaZulu, the eastern part of the Skoenberg, on the lower reaches of the Mzinene River, north-northeast of Hluhluwe. This is the classic locality from which William Anderson collected the material described by G.C. Crick in 1907 as being from the 'deposit at the north end of False Bay.' The fossils occur weathered out on the surface; there is no section. The ammonites described below are predominantly Middle Cenomanian, with indications of the presence of lower Upper Cenomanian on the basis of records elsewhere. The following species are described: Acanthoceras flexuosum Crick, 1907 (of which Acanthoceras crassiornatum Crick, 1907, Acanthoceras munitum Crick, 1907, Acanthoceras expansum Crick, 1907, Acanthoceras robustum Crick, 1907, Acanthoceras quadratum Crick, 1907, Acanthoceras hippocastanum Crick, non J. de C. Sowerby, and Acanthoceras latum Crick, 1907, are synonyms), Acanthoceras cornigerum Crick, 1907, Protacanthoceras subwaterloti (Venzo, 1936), Cunningtonicerasl sp. a and sp. b, Calycoceras (Gentoniceras ) gentoni (Brongniart, 1822) (of which Acanthoceras paucinodatum Crick, 1907 is a synonym), Calycoceras (Newbokiiceras) asiaticum asiaticum (Jimbo, 1894), Calycoceras (Newboldiceras) asiaticum spinosum (Kossmat, 1897), Calycoceras (Newboldiceras) cf. asiaticum hunteri (Kossmat, 1897), Calycoceras [Newboldiceras) planecostatum (Kossmat, 1897), Calycoceras {Newboldiceras) laticostatum (Crick, 1907), Calycoceras (Newboldiceras) breistrofteri (Collignon, 1937) and Pseudocalycoceras harpax (Stoliczka, 1864).

Palabras clave : ammonites; Acanthoceratinae; Cenomanian; Mzinene Formation; KwaZulu- Natal; South Africa.

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