Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum . tigraphic level at the Nibela Peninsula, but in the latter increase inwhorl size is much more rapid. Occurrence Campanian III of Zululand, and the Mid-Campanian Zone of Delawarellasubdelawarensis and Australiella australis of Madagascar. Menabites {Delawarella) sp. Siff. jeanneti Collignon, 1948Figs 252-255Compare:Menabites (Delawarella) jeanneti CoUignon, 1948: 34, pi. 30 (fig. 3-3b) pi. 31 (fig. 1-lb).Menabites (Delawarella) jeanneti var. compressa Collignon, 1948: 36, pi. 31 (fig. 2-2a).Delawarella jeanneti Co


Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum . tigraphic level at the Nibela Peninsula, but in the latter increase inwhorl size is much more rapid. Occurrence Campanian III of Zululand, and the Mid-Campanian Zone of Delawarellasubdelawarensis and Australiella australis of Madagascar. Menabites {Delawarella) sp. Siff. jeanneti Collignon, 1948Figs 252-255Compare:Menabites (Delawarella) jeanneti CoUignon, 1948: 34, pi. 30 (fig. 3-3b) pi. 31 (fig. 1-lb).Menabites (Delawarella) jeanneti var. compressa Collignon, 1948: 36, pi. 31 (fig. 2-2a).Delawarella jeanneti ColHgnon: Collignon, 1970: 64, pi. 634 (fig. 2336). Dimensions D Wb Wh Wb:Wh U Int. L. 143,0 56,0(39,2) 68,0(47,6) 0,82 36,0(25,2) 23 Material SAM-PCZ5691, Bed 7 locality 110, south-western tip of the Nibela Penin-sula, Zululand, St Lucia Formation, Campanian III; and SAM-FB from thecollection of S. H. Haughton from an unknown horizon and locality in theFalse Bay region of Zululand, but probably the same locality as above. CRETACEOUS FAUNAS FROM SOUTH AFRICA 331. Fig. 252. Menabites {Delawarella) sp. aff. jeanneti Collignon, X 0,78. 1948. SAM-PCZ5691. Description Coiling is involute with an umbilical diameter of about 25 per cent. Thewhorl section is compressed with a prominent dorsal zone of impression, avertical to overhanging umbilical wall with a well-defined umbilical edge andweakly inflated flanks with maximum width at the site of the lateral tubercle. None of the specimens has the innermost whorls preserved, but at adiameter of 45 mm ornament is already very much weakened with barely per-ceptible lateral and submarginal tubercles. The umbilical tubercles are radially 332 ANNALS OF THE SOUTH AFRICAN MUSEUM


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