Krings, M.; Sergeev, V. N. (2019). A coccoid, colony-forming cyanobacterium from the Lower Devonian Rhynie chert that resembles Eucapsis (Synechococcales) and Entophysalis (Chroococcales). Review of Palaeobotany and Palynology. 268: 65-71.
A coccoid, colony-forming cyanobacterium from the Lower Devonian Rhynie chert that resembles Eucapsis (Synechococcales) and Entophysalis (Chroococcales)