 
 
|  Genus: Free-living; skeleton with or without coat; spicules included in a coat more or less visible; 
radial siliceous spicules; ordered spicules (Illustrated Guide, 1985).  
Mucilaginous envelope with spindle-shaped or discoidal spicules which extend normally 
outwards along pseudopodia (Kudo, 1966). Species: 
 | 
 50 μm
 50 μm
 100 μm
 100 μm
 150 μm; x 400 :
 150 μm; x 400 : 
 31 μm
 31 μm
 63 μm
 63 μm
 94 μm; x 640
 94 μm; x 640
 
 
