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Fig. 2. Lateral and ventral view of the five species with paired and encapsulated
swimbladders and ventral view of the Weberian ossicles. Swimbladders are in
blue. Ossicle sizes standardized as in Fig.
1. Scale bars, 5 cm for fish and 0.5 mm for ossicles. c, caudal;
l, lateral; Li, ligamentum interossiculare; m, median; Os, ossicle; r,
rostral; Sb, swimbladder; Sc, scaphium; Tr, tripus.