Aharon Oren, George M. Garrity. Valid publication of the names of forty-two phyla of prokaryotes. – Int. J. of Systematic And Evolutionary Microbiology (IJSEM), 2021, kd 71, nr 10. Täistekst: 42 arhede ja bakterite hõimkonda ilma sensu latotsüanobakteriteta.
royalsocietypublishing.org
Markus Lambertz, Steven F. Perry. Chordate phylogeny and the meaning of categorial ranks in modern evolutionary biology. – Proceedings of the Royal Society, 2015, B 282, 1807. Täistekst.
web.archive.org
Philip Hugenholtz. Exploring prokaryotic diversity in the genomic era. – Genome Biology, 2002, kd 3, nr 2.Täistekst.