FIGURE 6. Embryonic Period V. A in Embryology of the spider crabs Leurocyclus tuberculosus (H. Milne-Edwards & Lucas 1842) and Libinia spinosa (H. Milne-Edwards 1834) (Brachyura, Majoidea)

FIGURE 6. Embryonic Period V. A, Leurocyclus tuberculosus egg with chromatophores (scale bar: 100 µm). B, Detail of the embryonic abdomen in L. tuberculosus with chromatophores (scale bar: 200 µm). C, Libinia spinosa eggs, synchronization in the development can be observed (scale bar: 100 µm). D, L. spinosa egg with chromatophores (scale bar: 100 µm). Detail of the lateral spine in the abdomen of E, L. tuberculosus (scale bar: 200 µm) and F, L. spinosa (scale bar: 200 µm). Ab, abdomen; Cr, chromatophores; O, optic lobe; Y, yolk.