Protist Movies

Chlorophyceae: Chlorococcales: Micractiniaceae

Micractinium pusillum
Fresenius var. pusillum

Family: Unicellular or Colonial; cell body spherical, with one or more spiny projections; a single cup-shaped chloroplast with a pyrenoid; asexual reproduction by zoospore or autospore; sexual reproduction by fertilization between egg and sperm.
Genus: Colonial; cell body with 2 or more spiny hairs (Illustrations of The Japanese Fresh-water Algae, 1977).

Micractinium pussillum, tape No. 0128, time code 0000, a colony of 7-8 cells, cell body 5-8 μm diam. with several needles ~30 μm long, x 400, x 640, Japan, 199? by Y. Tsukii

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