Wits Evolutionary Studies Institute (ESI)
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Item Cretaceous faunas from Zululand and Natal, South Africa. Texasia cricki Spath, 1921 (Cephalopoda: Ammonoidea) an early Santonian marker fossil from the Mzamba Formation of the Eastern Cape Province(Evolutionary Studies Institute, University of the Witwatersrand, 2013-12-18) Kennedy, William James; Klinger, Herbert ChristianThe type material of ‘Gen. nov. (Muniericeras?)’ cricki Spath, 1921, from the Santonian part of the Mzamba Formation , Eastern Cape Province, is revised, and referred to Texasia Reeside, 1932, of which Lehmaniceras Collignon, 1966 is a subjective junior synonym. Lehmaniceras sornayi, L. acutum, L. macer, L. pingue, L. ultimum and possibly L. gracile of Collignon, 1966, originally described from Madagascar, are further synonyms, as is Barroisiceras umzambiensis van Hoepen, 1968, which is based on a single specimen from Mzamba. The species occurs in the lower part of the Zone of Texanites hourcqi in Madagascar, confirmed here as lower, rather than middle, Santonian.Item Cretaceous faunas from Zululand and Natal, South Africa. The ammonite genus Codazziceras Etayo-Serna, 1979(2012-12) Kennedy, William James; Klinger, Herbert ChristianA new species of the Coniacian ammonite genus Codazziceras Etayo-Serna, 1979, previously known with certainty only from Colombia, is described from the St Lucia Formation of northern KwaZulu-Natal.Item Cretaceous faunas from Zululand and Natal, South Africa. A new species of the ammonite genus Salaziceras Breistroffer, 1936, from the Lower Cenomanian Mzinene Formation(2012-12) Kennedy, William James; Klinger, Herbert ChristianA diminutive ammonite collected by E.C.N. Van Hoepen from the Cenomanian part of the Mzinene Formation of the Skoenberg in northern KwaZulu-Natal, is described as Salaziceras simplex sp. nov., and interpreted as one of the last survivors of the genus.Item The ammonite genus Diaziceras Spath, 1921, from the Campanian of KwaZulu-Natal, South Africa, and Madagascar(2012-12) Kennedy, William James; Klinger, Herbert ChristianThe ammonite genus Diaziceras Spath, 1921, and the type species, D. tissotiaeforme are revised and referred to the subfamily Lenticeratinae Hyatt, 1900, of the family Sphenodiscidae Hyatt, 1900. Skoumalia Summesberger, 1979, is interpreted as a junior synonym of Diaziceras. Diaziceras guillantoni Hourcq, 1949, and D. spathi Hourcq, 1949, are regarded as synonyms of D. tissotiaeforme, and all are referred to the Lower Campanian on the basis of records from Madagascar.