Family:
Genus: Free-living; skeleton with or without coat; cuirass made of scales and of the basal part of the spicules; coat indistinguishable (Illustrated Guide, 1985). Siliceous scales arranged tangentially and radiating siliceous spines with pointed or bifurcated ends; (Kudo, 1966).
Choanocystis sp.
2 clips
Higashi-hiroshima
Hiroshima, 1998
Choanocystis sp.
2 clips
Torinome-kasen p.
Nasu-shiobara
Tochigi, 1998