Fig. 5From: Systematics, endemism and phylogeny of Indian proplanulitins (Ammonoidea) from the Bathonian–Callovian of Kutch, western IndiaBivariate analyses of Sivajiceras Paramorphum (Waagen). M Macroconch, m microconch. a Degree of involution versus diameter. b Degree of inflation versus diameter. c Degree of inflation versus degree of involutionBack to article page