The marine Prasinodermophyta are a proposed basal

Viridiplantae Viridiplantae (; kingdom Plantae '' sensu stricto'') is a clade of around 450,000–500,000 species of eukaryotic organisms, most of which obtain their energy by photosynthesis. The green plants are chloroplast-bearing autotrophs that play impo ...

clade, as sister of another clade comprising the

Chlorophyta Chlorophyta is a division of green algae informally called chlorophytes. Description Chlorophytes are eukaryotic organisms composed of cells with a variety of coverings or walls, and usually a single green chloroplast in each cell. They are ...

and the

Streptophyta Streptophyta (), informally the streptophytes (, from the Greek ''strepto'' 'twisted', for the morphology of the sperm of some members), is a clade of plants. The composition of the clade varies considerably between authors, but the definition e ...

. It consists of the

Prasinodermophyceae ''Prasinoderma'' is a genus of green algae in the phylum Prasinodermophyta. Both species in the genus are unicellular A unicellular organism, also known as a single-celled organism, is an organism that consists of a single cell, unlike a multi ...

and the

Palmophyllophyceae The Palmophyllophyceae are a proposed basal green plant clade consisting of the Palmophyllales and Prasinococcales. It belongs to Prasinodermophyta, a group that – according to Li et al.'s phylogenetic analyses – is basal to the rest of t ...

, and is informally called prasinodermophytes. They were previously considered to be a basal Chlorophyta clade, or part of the "

prasinophyte The prasinophytes are a group of unicellular green algae. Prasinophytes mainly include marine planktonic species, as well as some freshwater representatives.Sym, S. D. and Pienaar, R. N. 1993. The class Prasinophyceae. In Round, F. E. and Chapman ...

s".

References

Green algae phyla {{green alga-stub