Genus: Colonial; cells arranged pyramidately, each bearing spiny projections.
Species:
Errerella bornheimiensis (or Micractinium bornheimiensis),
colony pyramidal in shape, 20-24 μm wide,
cell body spherical, 4.7-6.2 μm in diam.,
spines very long, up to 51 μm long,
x 400, x 640, Japan, October 2000, by Y. Tsukii 50 μm
100 μm
150 μm; x 400
Genus: Colonial; cells arranged pyramidately, each bearing spiny projections.
50 μm
