Baltic Sea Portal

DIVISION CYANOPHYTA (CYANOBACTERIA)

Class Nostocophyceae (Cyanophyceae) – Blue-green algae

DIVISION CRYPTOPHYTA

Class Cryptophyceae – Recoiling algae

DIVISION DINOPHYTA (PYRRHOPHYTA)

Class Dinophyceae – Dinoflagellates

DIVISION HAPTOPHYTA

Class Prymnesiophyceae (Haptophyceae) – Haptophyte algae

DIVISION CHRYSOPHYTA (HETEROKONTOPHYTA)

Class Chrysophyceae – Golden-brown algae

Class Dictyochophyceae – Golden-brown algae with external silicious skeleton

Class Synurophyceae – Golden-brown algae with silicious scales

Class Diatomophyceae (Bacillariophyceae) – Diatoms

Class Raphidophyceae (Chloromonadophyceae) – Raphidephytes

DIVISION EUGLENOPHYTA

Class Euglenophyceae – Euglenoids

DIVISION CHLOROPHYTA

Class Prasinophyceae (Micromonadophyceae) – Prasinophytes

Class Chlorophyceae – Green algae

VARIOUS NON-PHOTOSYNTHETIC PROTIST GROUPS

Class Bicosoecidea

Class Choanoflagellidea

Class Ebriidea

Photos and additional information Seija Hällfors
Technical implementation Maiju Koivula