endocyclic
From ZooTerms (Dictionary of Invertebrate Zoology)
Revision as of 12:25, 10 September 2013 by Andreas Plank (Talk | contribs)
endocyclic (adjective; Greek endon, within; kyklos, circle): (Echinodermata: Echinoidea] Pertaining to a test with rounded profile, peristome and periproct central at the oral and aboral poles respectively; periproct encircled by apical system of plates.
