Striple indicates hypotheical diverticular (air sacs), black muscle, and grey other soft tissue.

References

KELLNER, A. W. A., and TOMIDA, Y., 2000, Description of a new species of Anhangueridae (Pterodactyloidea) with comments on the pterosaur fauna from the Santana Formation (Aptian-Albian), northeastern Brazil: National Science Museum Monograph, n. 17.

WELLNHOFER, P., 1991. Weitere Pterosaurierfunde aus der Santana-Formation (Apt) der Chapada do Araripe, Brasilien, Palaeontographica, A, 215.