Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum . On O On 1-H ^ o o B 3 c« S s ^ Q ^ i^ a X a ?c ^ 5u (N 1 ^ IT) ffi tt. ;£ c >l 1 o O •^ CJ (U ^ o- >> o o U o >P X 35 )-H ^^ OJ i^ _> g 5 ?3 S2 S O > >. v(U i^ ^ H 6 ^ -ac3 (U ^ c -^ o J ^ c« m P >-i 3 03 o oi ffl .i_i^ ^ s a 13 a J2 s oi 3 a ^ j^^^^^KiiM^r^^^^*^*-^^^^^ 60 CRETACEOUS FAUNAS FROM SOUTH AFRICA 273 ornament is artificially subdued. Umbilical bullae, ribs, and ventral and siphonalclavi are retained throughout, however, and lateral tubercles might well haveoriginally survived to a l
Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum . On O On 1-H ^ o o B 3 c« S s ^ Q ^ i^ a X a ?c ^ 5u (N 1 ^ IT) ffi tt. ;£ c >l 1 o O •^ CJ (U ^ o- >> o o U o >P X 35 )-H ^^ OJ i^ _> g 5 ?3 S2 S O > >. v(U i^ ^ H 6 ^ -ac3 (U ^ c -^ o J ^ c« m P >-i 3 03 o oi ffl .i_i^ ^ s a 13 a J2 s oi 3 a ^ j^^^^^KiiM^r^^^^*^*-^^^^^ 60 CRETACEOUS FAUNAS FROM SOUTH AFRICA 273 ornament is artificially subdued. Umbilical bullae, ribs, and ventral and siphonalclavi are retained throughout, however, and lateral tubercles might well haveoriginally survived to a larger diameter than at present. This is certainly the casein SAS Z913, a very large, wholly septate fragment with a whorl height of 65 mmthat still retains low, broad ribs and subdued mid-laterals (Figure 7G). Amongst other individuals that are relatively compressed is the figured(Van Hoepen 1968^, pi. 6) paratype of Basseoceras krameri, SAS Z1437 (), which is strongly ribbed with distinct tubercles to a diameter of 75 mm(costal whorl breadth to height ra
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky
