Geitlerinema is a genus of cyanobacteria belonging to the family Coleofasciculaceae.

[1] The genus was first described by K. Anagnostidis in 1989.

[1] The genus name of Geitlerinema is in honour of Lothar Geitler (1899 – 1990), who was an Austrian botanist and cytologist.

[2] The genus has cosmopolitan distribution.

[3] Species: