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Right lateral views of the specimens showing the allometric growth of the lung. (a–d) Early embryo CCC 202.1 (4 cm TL). (e–h) Embryo with yolk sac CCC 29.5 (32.3 cm TL). (i–l) Adult CCC 22 (130 cm TL). Yellow, oesophagus and stomach; green, fatty organ; red, lung. Scale bar, 0.5 cm (a–d); 2.5 cm (e–h); 10 cm (i–l).
