Merismopedia is a genus of cyanobacteria found in fresh and salt water. It is ovoid or spherical in shape and arranged in rows and flats, forming rectangular colonies held together by a mucilaginous matrix. Species in this genus divide in only two directions, creating a characteristic grid-like pattern.

Species

The species currently recognised are:

• M. affixa
• M. angularis
• M. artica
• M. cantonensis
• M. chondroidea
• M. convoluta
• M. danubiana
• M. duplex
• M. elegans
• M. ferrophila
• M. glauca
• M. insignis
• M. litoralis
• M. marssonii
• M. minima
• M. paludosa
• M. punctata
• M. quadruplicata
• M. remota
• M. revoluta
• M. revolutivum
• M. sinica
• M. smithii
• M. tenuissima
• M. thermalis
• M. trolleri
• M. venezuelica
• M. warmingiana