Scielo RSS <![CDATA[African Natural History]]> http://www.scielo.org.za/rss.php?pid=2305-796320100001&lang=en vol. 6 num. lang. en <![CDATA[SciELO Logo]]> http://www.scielo.org.za/img/en/fbpelogp.gif http://www.scielo.org.za <![CDATA[<b>Cretaceous faunas from Zululand and Natal, South Africa. The ammonite subfamily Acanthoceratinae de Grossouvre, 1894</b>]]> http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S2305-79632010000100001&lng=en&nrm=iso&tlng=en 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). <![CDATA[<b>A new species of <i>Magelona</i> (Polychaeta: Magelonidae) from southern Namibia</b>]]> http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S2305-79632010000100002&lng=en&nrm=iso&tlng=en A new species of Magelonidae, Magelona debeerei sp. nov., is described and illustrated from grab-samples collected at <100 m off the southwest coast of Africa. Magelona debeerei sp. nov. has previously been identified from the region as M. papillicornis (Müller, 1858) by Day (1955, 1961, 1967) but differs from M. papillicornis sensu stricto by possessing dorsal medial lobes on chaetigers 4-8 and lateral pouches (2 configuration) between chaetigers 10 and 11. Three species of Magelona have now been recorded from southern Africa (M. capensis Day, 1961, M. cincta Ehlers, 1908 and M. debeerei sp. nov.), and a key to Magelona from this region is provided. <![CDATA[<b>A new species of the deep-sea shrimp genus <i>Glyphocrangon</i> A. Milne-Edwards (Crustacea: Decapoda: Caridea: Glyphocrangonidae) from the southeastern Atlantic off southern Africa</b>]]> http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S2305-79632010000100003&lng=en&nrm=iso&tlng=en A new species of the deep-water shrimp genus Glyphocrangon A. Milne-Edwards, G. africana, is described from the southeastern Atlantic off Cape Point, South Africa. It had been previously confused with G. sculpta (Smith), but the presence of a covering of short setae on the body, antennal scale, and the last three pairs of pereopods and the different shape of the dorsolateral carinae on the second and third abdominal somites easily distinguishes the new species from G. sculpta. From another close relative G. podager Bate, G africana is separated by the same set of the characters, as well as the sharp, spiniform intercarpal tubercles on the carapace. <![CDATA[<b><i>Tarrantites,</i></b><b> a new heteromorph ammonite genus from the Albian of Texas and Pakistan</b>]]> http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S2305-79632010000100004&lng=en&nrm=iso&tlng=en A new heteromorph ammonite genus, Tarrantites, is proposed for Hamites adkinsi Scott, 1928. The description of the new genus is based mainly on a near-complete specimen from the Middle Albian part of the Goodland Limestone of Tarrant County, Texas, the holotype, and on an abraded mould on a pebble from the bed of a stream in Hill County, Texas. In addition, we record the presence of the genus in the Albian of Pakistan. Tarrantites shows a remarkable resemblance to the labeceratine genera Labeceras Spath, 1925 and Myloceras Spath, 1925: in coiling and size to the former, and in ornamentation to the latter, but is excluded from the subfamily Labeceratinae Spath, 1925, because it has a distinct bifid adventive (A) lobe. This latter feature, and the ornamentation, rather suggest affinities of Tarrantites with the family Anisoceratidae Hyatt, 1900.