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Swiss Journal of Palaeontology
Fig. 6 | Swiss Journal of Palaeontology

Fig. 6

From: Systematics, endemism and phylogeny of Indian proplanulitins (Ammonoidea) from the Bathonian–Callovian of Kutch, western India

Fig. 6

Septal sutural patterns of three genera. a Sivajiceras paramorphum (macroconch) at diameter 150 mm, redrawn from Waagen (1875, pl. XLVII, fig. 3); b Obtusicostites obtusicosta (macroconch) at diameter 150 mm, redrawn from Waagen (1875, pl. XXXVIII, fig. 2); c Kinkeliniceras angygaster (macroconch) at diameter 76 mm, redrawn from Spath (1931, pl. LXIII, fig. 2). E external lobe, L lateral lobe, U umbilical lobe. All x1

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