any member of the protozoan superclass Rhizopoda. Three types of pseudopodia (cytoplasmic extensions) used in locomotion and digestion are found in ... [2 related articles] Found on http://www.britannica.com/eb/a-z/r/43
<zoology> One of the Rhizopoda. ... The rhizopods belonging to the Radiolaria and Foraminifera have been of great geological importance, especially in the Cretaceous and Tertiary periods. Chalk is mostly made from the shells of Foraminifera. ... The nummulites are the principal ingredient of a limestone which is of great extent in Europe and ... Found on http://www.encyclo.co.uk/local/20973
Rhiz'o·pod noun (Zoology) One of the Rhizopoda. » The rhizopods belonging to the Radiolaria and Foraminifera have been of great geological importance, especially in the Cretaceous and Tertiary periods. Chalk is mostly made from the shells of Foraminifera. The nummulites are the principal ing... Found on http://www.encyclo.co.uk/webster/R/77