Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum . f^-:. A B Fig. 238. Menabites (Australiella) austmlis (Besairie, 1930). SAS-Z2102. x 0,9. CRETACEOUS FAUNAS FROM SOUTH AFRICA 313 M. (A,) coronata has a whorl section (Collignon 1970, pi. 631 (fig. 2328))comparable to typical M. {A.) australis though not quite as depressedrectangular. Here the ventrolateral spines are not as strong and spatulateand about four external tubercles occur per spine. The whorl section of SAS-Z705 (Figs 234-235A) is virtually identical to that of the holotype of M. {A.)coronata, but it lacks
Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum . f^-:. A B Fig. 238. Menabites (Australiella) austmlis (Besairie, 1930). SAS-Z2102. x 0,9. CRETACEOUS FAUNAS FROM SOUTH AFRICA 313 M. (A,) coronata has a whorl section (Collignon 1970, pi. 631 (fig. 2328))comparable to typical M. {A.) australis though not quite as depressedrectangular. Here the ventrolateral spines are not as strong and spatulateand about four external tubercles occur per spine. The whorl section of SAS-Z705 (Figs 234-235A) is virtually identical to that of the holotype of M. {A.)coronata, but it lacks the proliferation of external Fig. 239. Menabites {Australiella) australis (Besairie, 1930). SAM-PCZ5689. Transitional to M. {A.) besairiei. x 0,6. 314 ANNALS OF THE SOUTH AFRICAN MUSEUM
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Keywords: ., bookcentury1800, bookdecade1890, booki, booksubjectnaturalhistory
