Fig. 6From: Embryonic and early juvenile development in the Silurian basal nautilid Peismoceras Hyatt, 1894Peismoceras scharyi sp. nov., holotype C1526, Wenlock, Homerian, P. parvus Biozone, Motol Formation, Praha-Braník locality; left lateral (a), ventral (b), adapertural (c), and right lateral (d) viewsBack to article page