Fig. 7From: Embryonic and early juvenile development in the Silurian basal nautilid Peismoceras Hyatt, 1894Peismoceras scharyi sp. nov., paratypes, Wenlock, Homerian, P. parvus Biozone, Motol Formation, Praha-Braník locality (a–c, e–g) and Kosov Quarry section 767 (d, h). a, b MCZ 168080, lateral and ventral view. c, g MCZ 135441, cross section, lateral and ventral views. d, h NM L 46913, ventral and lateral views. e MCZ 159890, whorl cross section. f MCZ 135487, lateral view. Scale bar equals 1 cmBack to article page