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Fig. 1 | BMC Evolutionary Biology

Fig. 1

From: One species, two developmental modes: a case of geographic poecilogony in marine gastropods

Fig. 1

Distribution area of Planaxis sulcatus, (a) with brood pouch content per geographic area and (b–f) (SEM-) pictures of ontogenetic stages of Planaxis sulcatus. a. Pie charts show the cumulative proportion of each developmental stage size class in brood pouches within the five biogeographic areas, indicated by coloured shades. Numbers below each diagram indicates the number of gravid females within each region. Black dots indicate genetic samples. b–e SEM-pictures of ontogenetic stages of Planaxis sulcatus (Born, 1780) arranged according to size classes, in apertual and top view. b. Early larva, Malaysia, Borneo (ZMB 108275); c. Late larva, Tanzania (ZMB 108265); d. Juvenile < 0.5 mm, Oman, Sud (ZMB 107849); e. Juvenile 0.5–1 mm, Oman, Masirah (ZMB 107850); f. Adult, Indonesia, Southeast Sulawesi (ZMB 106003–13). Scale bars: b, c. = 30 μm; d. = 100 μm; e. = 200 μm; f. = 1 cm. Map made with Natural Earth. Free vector and raster map data @ naturalearthdata.com; for details refer to methods section

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