Carcharhinus melanopterus skull, finished.
Partial angelfish skeleton (probably Pomacanthus sp.). The pins are holding the fins in place while they dry.
Mako shark (Isurus oxyrinchus) drying. The basihyal is missing on the picture.
Couple of chondrichthyan parts: Raja asterias pelvic fins, Carcharhinus melanopterus hyoid arch, and Squalus acanthias skull and vertebrae.