A, B Latimeria chalumnae adult, CCC 27, phosphomolybdic acid stained CT scan, demonstrating uptake of the stain in the spiracular organ. C, D Latimeria chalumnae fetus, CCC 202, showing spiracular organ. The afacial process is not yet developed. Abbreviations: ap, afacial process; fso, fossa for spiracular organ; s, spiracular cavity; so, spiracular organ. Scale bars: A=50mm, C=1mm.

  Part of: Johnston P (2022) The missing anatomy of the living coelacanth, Latimeria chalumnae (Smith, 1939). Vertebrate Zoology 72: 513-531. https://doi.org/10.3897/vz.72.e84274