Figure 2

The calcified lung of Macropoma mantelli NHMUK PV P 4270. (a) Three-dimensional reconstruction of the calcified lung of the specimen. (b,c) Transverse sections of a high-resolution computerized axial tomography scan of NHMUK PV P 4270. Green arrows pointing to the pulmonary arteries internal to the lung lumen. Blue arrows, pointing to the dorsal aorta. Transverse tomography sections (b,c) corresponding to the successive dotted sections in (a).