Cyanophora

Cyanophora is a genus of glaucophytes, a group of rare but evolutionarily significant freshwater microalgae.
It includes the following species:

Cyanophora biloba
Cyanophora cuspidata
Cyanophora kugrensii
Cyanophora paradoxa
Cyanophora sudae
Cyanophora tetracyanea

These species are differentiated based on cell shape, number and position of cyanelles, and molecular data.
The species Cyanophora paradoxa is well-studied as a model organism.