. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum . Figure 14 Mossamedites serratocarinatus (Kennedy & Cobban). A-C. Lateral, ventral and oblique ventral viewsof SAM-PCA1853. Lateral view of SAM-PC A1860. x E-F. Ventral and lateral views of SAM-PCA1876. x UPPER CRETACEOUS (TURONIAN-CONIACIAN) AMMONITES FROM SAO NICOLAU, ANGOLA 115 Genus Mossamedites gen. no v. Type species Puzosia serratocarinata Kennedy & Cobban, 1988; by original designation herein. Discussion Mossamedites provides the link between evolute and moderately inflated Puzosia, com
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum . Figure 14 Mossamedites serratocarinatus (Kennedy & Cobban). A-C. Lateral, ventral and oblique ventral viewsof SAM-PCA1853. Lateral view of SAM-PC A1860. x E-F. Ventral and lateral views of SAM-PCA1876. x UPPER CRETACEOUS (TURONIAN-CONIACIAN) AMMONITES FROM SAO NICOLAU, ANGOLA 115 Genus Mossamedites gen. no v. Type species Puzosia serratocarinata Kennedy & Cobban, 1988; by original designation herein. Discussion Mossamedites provides the link between evolute and moderately inflated Puzosia, compressa Kossmat, and very evolute and compressed Hauericeras of the Santonian,with a conspicuously raised siphonal keel. It retains the ornament and suture of Puzosiaand has the shell form of Hauericeras; the sharpened venter of Mossamedites representsan intermediate stage between the rounded venter of Puzosia and the specialized keel ofmature Hauericeras. The type species of//. (Hauericeras), viz. H. pseudogardeni (Schliiter) (Matsumoto etah, 1990: 440, fig. 1) diff
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Keywords: ., bookcentury1800, bookdecade1890, booki, booksubjectnaturalhistory
