Annals of the South African MuseumAnnale van die Suid-Afrikaanse Museum . ~S. Fig. 1. Yabeiceras manasoaense specimen 4492 left lateral view x 1. Material Sample 4492 from the Alphard Group at , , and housedwith the Marine Geoscience Unit, University of Cape Town collections. Description The specimen comprises just over two whorls of phragmocone and anincomplete body chamber of slightly more than a third of a whorl. The inner-most whorls up to a diameter of 10 mm are not preserved. Coiling is veryevolute with an umbilical diameter of 54,6 per cent of the total diameter. Theouter wh

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Annals of the South African MuseumAnnale van die Suid-Afrikaanse Museum . ~S. Fig. 1. Yabeiceras manasoaense specimen 4492 left lateral view x 1. Material Sample 4492 from the Alphard Group at , , and housedwith the Marine Geoscience Unit, University of Cape Town collections. Description The specimen comprises just over two whorls of phragmocone and anincomplete body chamber of slightly more than a third of a whorl. The inner-most whorls up to a diameter of 10 mm are not preserved. Coiling is veryevolute with an umbilical diameter of 54,6 per cent of the total diameter. Theouter whorls embrace only slightly, covering less than 10 per cent of the previous 164 ANNALS OF THE SOUTH AFRICAN MUSEUM.

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Keywords: ., bookauthorsouthafr, bookcentury1800, bookdecade1890, bookyear1898