FIGURE 8 in The taxonomic status of the genus Hubertoceras Spath: A new light on sexual dimorphism from the Callovian ammonites of Kutch, India

FIGURE 8. Transverse sections (body chamber hatched) of adult shells. 1. Obtusicostites obtusicosta (M). 2. Hubertoceras omphalodes (m). Note, for 1 and 2, overall similarity of whorl sections and depressed inner whorls with rounded umbilical edge. Septal sutural patterns. 3. Obtusicostites obtusicosta (M) at diameter 150 mm, redrawn from Waagen (1875, plate 38, figure 2). 4. Hubertoceras omphalodes (m) at diameter 48 mm, redrawn from Waagen (1875, plate 38, figure 4c). Scale bar equals 20 mm.