. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum . Figure 6 Diplomoceras cylindraceum (Defrance, 1816). IRSNB 10290, ex Ubaghs Collection from the upperMaastrichtian Calcaire de Kuraed of Kunrade, Limburg, The Netherlands. The specimen retains silicified shell, x 1. OBSERVATIONS ON THE SYSTEMATICS OF DIPLOMOCERAS CYLINDRACEUM 183. Figure 7 Suture line of Diplomoceras cylindraceum (Defrance, 1816). A. Copy after Kennedy 1986a,text-fig. 7M. B. Copy after Macellari 1986, fig. 15. C. Copy after Jones 1963, fig. 15. 184 ANNALS OF THE SOUTH AFRICAN MUSEUM

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Keywords: ., bookcentury1800, bookdecade1890, booki, booksubjectnaturalhistory