Radiolaria
Videos
The Radiolaria, also called Radiozoa and informally called radiolarians, are unicellular eukaryotes of diameter 0.1–0.2 mm that produce intricate mineral skeletons, typically with a central capsule di
Radiolaria
Anthocyrtium hispidum Haeckel
Like diatoms, radiolarians come in many shapes
Also like diatoms, radiolarian shells are usually made of silicate
Rhizaria
Videos
The Rhizaria are a diverse and species-rich clade of mostly unicellular eukaryotes. Except for the chlorarachniophytes and three species in the genus Paulinella in the phylum Cercozoa, they are all no
Radiolaria
…their resemblance to regular polyhedra, such as the icosahedron-shaped Circogonia icosahedra pictured below. The radiolarians belong to the supergroup Rhizaria together with (amoeboid or flagellate) Cercozoa and (shelled amoeboid) Foraminifera. Traditionally the radiolarians have been divided into four…
Ammonia tepida