Now the lowest types of Radiolaria are of this character.
"The Story of Evolution" by Joseph McCabe
An aberrant flagellate bearing a single flagellum and a silicious skeleton resembling those of the Radiolaria.
"Marine Protozoa from Woods Hole" by Gary N. Calkins
Radiolaria are found in cherts in the Culm of Devonshire and Cornwall, in Russia, Germany and elsewhere.
"Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3" by Various
Some marine animalcules, the Radiolaria, have skeletons of silica.
"The Geological Story of the Isle of Wight" by J. Cecil Hughes
What are foraminifera; radiolaria?
"A Guide for the Study of Animals" by Worrallo Whitney
The silica was derived from the tests of radiolaria and the spicular skeletons of sponges.
"Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5" by Various
Haeckel's 'Generelle Morphologie,' 'Radiolaria,' 'Schoepfungs-Geschichte,' and 'Ursprung des Menschen-Geschlechts,' 262, 263.
"Charles Darwin: His Life in an Autobiographical Chapter, and in a Selected Series of His Published Letters" by Charles Darwin
Most of the forms as yet discovered, I have given in the atlas accompanying my Monograph of the Radiolaria.
"The History of Creation, Vol. II (of 2)" by Ernst Haeckel
Ooze, foraminifera, 81; radiolaria, 81.
"Elementary Zoology, Second Edition" by Vernon L. Kellogg