A stiff, sharp process located on various parts of the body. The different spines are named according to their location. (For example, mid-dorsal spine, post-ocular spine, pre-anal spine, etc.)
marginal spines
carapace_spines__denticles.jpg
marginal spines
furcilia_rostral_spine.jpg
hepatic_spine.jpg
mid-dorsal_spine.jpg
post-ocular_spine.jpg
pre-anal_spine.jpg
rostral_spine.jpg
styliform_spine.jpg
telson_spines.jpg