RADIOLARIA

‖Ra′di‐o‐la″ri‐a (rā′dĭ‐ō̍‐lā″rĭ‐ȧ), n. pl. [[NL. See Radioli.]] (Zoöl.) Order of rhizopods, usually having a siliceous skeleton, or shell, and sometimes radiating spicules. The pseudopodia project from the body like rays. It includes the polycystines. See Polycystina.