Chroococcus aff. heanogloios Gardner (1927: 9) (Fig. 8G).

Solitary cells or in pairs, epiphytic on filaments of Brasilonema sp., hemispherical, 5.36–7.81 µm wide. Without individual envelope or rarely present, conspicuous, thin, hyaline. Cell content homogenous, blue-green.

Habitat: —Rock totally exposed to the sun epiphytic on Brasilonema sp.

Notes: —Morphotype has smaller cell dimensions than described by Gardner (1927).

Studied material: — PEUFR55771