Caryophyllidia From Wikipedia, the free encyclopedia Caryophyllidia are anatomical features of the external dorsal surface of dorid sea slugs. Caryophyllidia are sensory tubercles, surrounded by tiny needle-like structures called spicules, that are present on the outer mantle.[1][2][3] References [1]"slugophile.com". Archived from the original on 2011-08-27. [2]"Marine species identification portal glossary". [3]Camacho-García, Y.E.; Valdés, Á. (2003). "Caryophyllidia-bearing dorid nudibranchs (Mollusca, Nudibranchia, Doridacea) from Costa Rica" (PDF). California Academy of Sciences. {{cite journal}}: Cite journal requires |journal= (help) This gastropod-related article is a stub. You can help Wikipedia by adding missing information.vte Related Articles