Marsupiomonadales is an order of
green algae
The green algae (singular: green alga) are a group consisting of the Prasinodermophyta and its unnamed sister which contains the Chlorophyta and Charophyta/Streptophyta. The land plants (Embryophytes) have emerged deep in the Charophyte alga as ...
in the class
Pedinophyceae.
References
Chlorophyta orders
Pedinophyceae
{{Green algae-stub