Chlorophytina is a subphylum within Chlorophyta and includes five classes.

[2][3] It contains the more well-known green algae and is characterized by the presence of phycoplasts.

Below is a consensus reconstruction of green algal relationships, mainly based on molecular data.

Molecular phylogenies do not always agree on the position of species within Pedinophyceae.

[4][5][6] Ulvophyceae Mattox & Stewart 1984 Chlorophyceae Christensen 1994 Trebouxiophyceae Friedl 1995 Chlorodendrophyceae Massjuk 2006 Pedinophyceae Moestrup 1991 Chloropicophyceae Picocystis Pycnococcaceae Nephroselmidophyceae Mamiellophyceae Marin & Melkonian 2010 Pyramimonadales Streptophyta = Charophyta (incl.