Figure 2. – A-E in The lungs of extinct and extant coelacanths: a morphological and histological review

Figure 2. – A-E: Latimeria chalumnae. CCC3 (MNHN-ZA- AC-2012-1) (A) and CCC79 (MNHN-ZA-AC-2012-26) (B-E). A: Photograph of three mineralized plates (black and white arrows) originally positioned on the external surface of the vestigial lung (vl). B-D: External views of three isolated mineralized plates. E: Internal view of a mineralized plate with demarcation between the mineralization field stained with alizarin red, and the non-min- eralized margin (black asterisk). F: †Axelrodichthys araripensis, "Josa collection" (specimen deposited at the Laboratoire of Pale- ontology, MNHN, Paris). Right lateral view showing the posterior portion of the lung with its imbricated ossified plates. Scale bars: A = 2.5 mm; B-D = 250 μm; E = 200 μm; F = 5 mm.