Blue-green algae Monera

although accepted 1 distinguish prokaryotes eukaryotes on basis of presence of nucleus, mitosis versus binary fission way of reproducing, size, , other traits, monophyly of kingdom monera (or matter, whether classification should according phylogeny) controversial many decades. although distinguishing between prokaryotes eukaryotes fundamental distinction credited 1937 paper Édouard chatton (little noted until 1962), did not emphasize distinction more other biologists of era. roger stanier , c. b. van niel believed bacteria (a term @ time did not include blue-green algae) , blue-green algae had single origin, conviction culminated in stanier writing in letter in 1970, think quite evident blue-green algae not distinguishable bacteria fundamental feature of cellular organization . other researchers, such e. g. pringsheim writing in 1949, suspected separate origins bacteria , blue-green algae. in 1974, influential bergey s manual published new edition coining term cyanobacteria refer had been called blue-green algae, marking acceptance of group within monera.