Annals of the South African Museum, Volume 92The Museum, 1984 - Natual history |
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Page 156
... body chamber , with no clearly defined umbilical edge ( Fig . 17 ) . On the innermost whorls of SAS Z1568 the flanks are completely smooth up to a diameter of 6 mm , and the venter is fastigiate with a feeble siphonal ridge . Beyond ...
... body chamber , with no clearly defined umbilical edge ( Fig . 17 ) . On the innermost whorls of SAS Z1568 the flanks are completely smooth up to a diameter of 6 mm , and the venter is fastigiate with a feeble siphonal ridge . Beyond ...
Page 208
... body chamber . Again the looser coiling suggests that it connects morpho- logically with P. ( Z. ) zulu . The holotype of P. ( Z. ) ultimum ( Fig . 63 ) is a septate disc 130 mm in di- ameter . Apart from details of preservation , the ...
... body chamber . Again the looser coiling suggests that it connects morpho- logically with P. ( Z. ) zulu . The holotype of P. ( Z. ) ultimum ( Fig . 63 ) is a septate disc 130 mm in di- ameter . Apart from details of preservation , the ...
Page 245
... body chamber ( e.g. SAM - PCZ5951 ) ( Figs 101-102 ) , consisting of about three - quarters of a whorl . Here ribbing becomes bolder and wider spaced . The umbilical bullae may disappear completely , fusing with the rib . The ribs may ...
... body chamber ( e.g. SAM - PCZ5951 ) ( Figs 101-102 ) , consisting of about three - quarters of a whorl . Here ribbing becomes bolder and wider spaced . The umbilical bullae may disappear completely , fusing with the rib . The ribs may ...
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Common terms and phrases
abdominal segments adult Africa Ammonites antennae apex arthropods Barnard beetles brown brownish Cape Natal Cape Point Cape Town carcasses cerci Collected Collignon colour Coniacian d'Orbigny December dorsal view dravidicum Kossmat eggs elytra Family fauna genus Grossouvre hatched Head henniei Holotype inner whorls Labium large numbers larvae left lateral view lobe Locality long setae Lucia Formation mandible margae margin Matsumoto maxilla mesal mesothoracic Middle Coniacian Mollusca natalensis nymphs ocelli ornament outer whorls oval pairs of legs pale Paratype Peroniceras Peroniceras Peroniceras Zuluiceras piceous posterior pronotum Protexanites Pupa R.S. Africana R.S. Pieter Faure radula radula slide reddish Redtenbacher ribs River Santonian setae Shell shiny side South African Museum Sowerby specimens spines spiracles subfamily subtricarinatum suture suture-line Syntypes text-fig Tomlin tridorsatum Schlüter type species umbilical undulatocarinatum Upper Coniacian valves venter ventral view ventrolateral tubercles westphalicum whorl section Wiedmann yellowish Zone zulu Zuluites Zululand