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Fig. 1 | BMC Ecology and Evolution

Fig. 1

From: Three in one: evolution of viviparity, coenocytic placenta and polyembryony in cyclostome bryozoans

Fig. 1

General view of mature colonies and their details (stereomicroscope). a, b, insert, Crisia eburnea. a Mature colony having six gonozooids, mostly with embryos (arrowheads) and one empty (asterisk); b Ramifying branch with gonozooid (arrow: ooeciopore); insert, distal part of gonozooid showing flattened ooeciopore (arrow). c, d, insert, Crisiella producta. c Mature colony with at least seven gonozooids (arrowheads). d Distal tip of the branch with gonozooid (arrow: ooeciopore); insert, Distal part of gonozooid showing flattened ooeciopore (arrow)

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