FIG. 4. — A in Palaeontological study of Middle Oxfordian- Early Kimmeridgian (Late Jurassic) ammonites from the Rosso Ammonitico of Monte Inici (north-western Sicily, Italy)

FIG. 4. — A, Calliphylloceras benacense (Catullo, 1847), specimen MI4N 8b/2 from bed 8b of section Monte Inici East; B, Sowerbyceras tortisulcatum (d'Orbigny, 1841), specimen MI4N 6c/1 from bed 6c of section Monte Inici East; C, Holcophylloceras polyolcum (Benecke, 1866), specimen MI4W 8b/c/1 from bed 8c of section Monte Inici East; D, Tornquistes (T.) cf. romani (Douvillé, 1912), specimen MI3 9/7 from bed 9 of section Castello Inici; E, Streblites frotho (Oppel, 1863), specimen MI4N 8b/1 from bed 8b of section Monte Inici East. All figures natural size. Arrows indicate the beginning of the body chamber.