Figure 8From: Normal embryonic stages of the Longnose Gar, Lepisosteus osseusLepisosteus osseus. Stages 29-31. A) Stage 29, whole larva. B) Stage 29, head only. C) Stage 30. D) Stage 31. ol = olfactory pit ao = adhesive organ mf = median fin anlage s = somites pf = pectoral fin op = operculum ff = fin foldBack to article page