| Upon ecdysis, a chitinous duplicature of the exoskeleton is shed and a growth band is added to the valves. |
| When something dark and chitinous scuttled out from the scrub, Darius was forced to bodily haul him out of its way. |
| The uneasy rustling of chitinous arms against white robes recalled him from his meditation. |
| The tricuspid hooks support thin chitinous lamin, which connect the two lateral horns of each hook to the central apophysis. |
| The chitinous cuticle that covers the infundibulum extends into and covers the inner surface of the acetabulum. |
| Eurypterid cuticle was chitinous and of varying thickness, but generally very thin, and preserved specimens are usually crushed. |
