Examples from the Web for exoskeletal
In Teleostei dental plates are usually developed as an exoskeletal covering on parts of the branchial arches.The Works of Francis Maitland Balfour, Volume III (of 4)|Francis Maitland Balfour
The teeth are exoskeletal structures, partly of dermal, partly of epidermal origin.
Frequently, however, this exoskeletal somite may be differentiated into various regions.
Mammals show two principal kinds of exoskeletal structures which are entirely or partially dermal in origin, viz.
The skin of the Newt is quite devoid of any exoskeletal structures.