Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum . ^^ «k^^4.^W. Fig 25 Forresteria (Forresteria) alluaudi (Boule, Lemoine & Thevenin, 1907). A-B. Holotypeof Collignonicerasperegrinatof van Hoepen, 1968, SAS Z18. C-D. SAS Z714. All xl. CRETACEOUS FAUNAS FROM SOUTH AFRICA 281 Material SAM-D1187J, from locality 145 at Morrisvale, Zululand, St. Lucia Forma-tion, Coniacian II. Dimensions D Wb Wh 182,0(100) -(-) 69,5(38,2) Wh: Wh U — 65,0(35,7) Description This specimen is a worn internal mould retaining traces of recrystallizedshell. Approximately two-thirds of the outer w
Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum . ^^ «k^^4.^W. Fig 25 Forresteria (Forresteria) alluaudi (Boule, Lemoine & Thevenin, 1907). A-B. Holotypeof Collignonicerasperegrinatof van Hoepen, 1968, SAS Z18. C-D. SAS Z714. All xl. CRETACEOUS FAUNAS FROM SOUTH AFRICA 281 Material SAM-D1187J, from locality 145 at Morrisvale, Zululand, St. Lucia Forma-tion, Coniacian II. Dimensions D Wb Wh 182,0(100) -(-) 69,5(38,2) Wh: Wh U — 65,0(35,7) Description This specimen is a worn internal mould retaining traces of recrystallizedshell. Approximately two-thirds of the outer whorl is body chamber. The coiling is very evolute, the umbilicus comprises 35,7 per cent of thediameter and only 20 per cent of the previous whorl is covered. The umbihcusis shallow, the umbilical wall low and vertical. The whorl section is compressed,with an estimated whorl breadth to height ratio of 0,85-0,90, the greatestbreadth being at the lateral tubercle in costal section and close to the umbilicalshoulder in intercostal section. There are seventeen primary ribs on the ou
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky
