Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum . Fig. 230. Menabites {Austmliella) species. Whorl sections. A. M. {A.) falloti. B. M. {A)australis. C. M. {A.) besairiei. D. M. {A.) moreti. CRETACEOUS FAUNAS FROM SOUTH AFRICA 305. Fig. 231. Menabites (Australielld) australis (Besairie, 1930). SAS-Z1847. Showing whorl section and partial suture, x 1. 306 ANNALS OF THE SOUTH AFRICAN MUSEUM section (Fig. 230A) and is pentatuberculate at a smaller diameter than M. (A.)australis. Single specimens each of M. {A.)falloti, M. (A.)Mustralis, and M. (D.)delawarensis occur resp
Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum . Fig. 230. Menabites {Austmliella) species. Whorl sections. A. M. {A.) falloti. B. M. {A)australis. C. M. {A.) besairiei. D. M. {A.) moreti. CRETACEOUS FAUNAS FROM SOUTH AFRICA 305. Fig. 231. Menabites (Australielld) australis (Besairie, 1930). SAS-Z1847. Showing whorl section and partial suture, x 1. 306 ANNALS OF THE SOUTH AFRICAN MUSEUM section (Fig. 230A) and is pentatuberculate at a smaller diameter than M. (A.)australis. Single specimens each of M. {A.)falloti, M. (A.)Mustralis, and M. (D.)delawarensis occur respectively in Beds 1, 2 and 3 at locality 110 (see Kennedy& Klinger 1975, fig. 9), suggesting that M. {A.) australis could be derivedproterogenetically from M. (A.) falloti. Definite conclusions, however, mustawait more detailed collecting. M. {A.) tintanti is a related species which also progresses beyond the tri-
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Keywords: ., bookcentury1800, bookdecade1890, booki, booksubjectnaturalhistory
