Figure 3 in New insights on the external features of egg capsules and embryo development in the squid Loligo vulgaris

Figure 3. Embryonic development stages proposed in this study (Arabic numerals) compared with the stages of Naef (Roman numerals), 30× natural size for microphotographs 1–8. Scanning electron microphotography of an embryo at stage 8 (bottom right side). Details showing the closure of the eyelid fold with a small pore (top right side).