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Superregnum: Bacteria
Regnum: Bacteria
Group: Terrabacteria group
Group: Cyanobacteria/Melainabacteria group
Phylum: Cyanobacteria
Classis: Cyanophyceae
Subclassis: Synechococcophycideae
Ordo: Synechococcales
Genus: Metis

Species: M. fasciculata


Metis D. Konstantinou & S. Gkelis, 2021

Type species: Metis fasciculata D. Konstantinou & S. Gkelis, 2021

Etymology: The name comes from Greek Мῆτις (Metis), a Titaness in ancient Greek mythology, daughter of Oceanus and Tethys, first wife of Zeus.


Filaments arranged into fascicles, rarely solitary, unbranched. Filaments forming compact colony (thallus), attached to the substratum, purple to reddish. Sheaths thin, colorless and slightly to rarely distinct. Trichomes straight to curved or wavy, 0.57 – 1.76 μm wide, clearly constricted at the cross walls. Cells longer than wide, with peripheral thylakoids. Apical cells rounded (with/without calyptra?).


Konstantinou, D., Voultsiadou, E., Panteris, E. & Gkelis, S. 2021. Revealing new sponge-associated cyanobacterial diversity: Novel genera and species. Molecular Phylogenetics and Evolution, 155: 106991. DOI: 10.1016/j.ympev.2020.106991