Radiolaria n. pl. : 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.

Example:
Radiolaria and Foraminafera share pseudopodial motion. What is that? What is a test, and how is it used by?

Taxonomy
Radiolaria, radiolarians, InterRad, jane, conference, Nanjing, China, in September, Download, fossil, synonyms, online resources, protozoa, oceans, water column, planktonic organisms, abundance, geographical region, water mass.

Defination from the web:
Online database containing information about radiolarians, holoplanktonic protozoa widely distributed in the oceans.