Genus: With several girdles of spines around cell body
(Illustrated Guide, 1985).
Species:
Cell body 30-50 μm long (Kahl, 1930).
Hastatella radians (or Hastatella aesculacantha Jarocki & Jacubowska, 1927 ?),
cell body 39 μm long, 31 μm wide,
with two girdles each consiting of 9 spines,
x 400, x 640, Saitama Pref., Japan, October 1999, by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640