Pycnococcaceae is a family 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 order

Pseudoscourfieldiales Pseudoscourfieldiales is an order of green algae in the class Pyramimonadophyceae. References External links Chlorophyta orders Pyramimonadophyceae Monotypic orders {{green algae-stub ...

. The defining features of this family include the single invagination of the pyrenoid where the

mitochondrial A mitochondrion (; ) is an organelle found in the cells of most Eukaryotes, such as animals, plants and fungi. Mitochondria have a double membrane structure and use aerobic respiration to generate adenosine triphosphate (ATP), which is use ...

membrane fits into it Guillard ''et al.'' 1991 Pycnococcus provasolii, ''a coccoid prasinoxanthin containing phytoplankter from the Western North Atlantic and Gulf of Mexico.'' Journal of Phycology 27:39–47. and the "decapore" - a ring of 10 pores through the thick

cell wall A cell wall is a structural layer surrounding some types of cells, just outside the cell membrane. It can be tough, flexible, and sometimes rigid. It provides the cell with both structural support and protection, and also acts as a filtering mech ...

.Sieburth ''et al.'' 1999 ''Widespread occurrence of the oceanic ultraplankter'' Prasinococcus capsulatus ''(Prasinophyceae), the diagnostic "Golgi-Decapore complex" and the newly discovered polysaccharide "capsulan"''

References

External links

Green algae families Pyramimonadophyceae {{green algae-stub