Gibbons, N. E.; Murray, R. G. E. (1978). «Proposals Concerning the Higher Taxa of Bacteria». International Journal of Systematic Bacteriology. 28 (1): 1–6. doi:10.1099/00207713-28-1-1.
Gupta RS (1998 թ․ օգոստոս). «What are archaebacteria: life's third domain or monoderm prokaryotes related to gram-positive bacteria? A new proposal for the classification of prokaryotic organisms». Mol. Microbiol. 29 (3): 695–707. doi:10.1046/j.1365-2958.1998.00978.x. PMID9723910.
«Negativicoccus succinicivorans gen. nov., sp. nov., isolated from human clinical samples, emended description of the family Veillonellaceae and description of Negativicutes classis nov., Selenomonadales ord. nov. and Acidaminococcaceae fam. nov. in the bacterial phylum Firmicutes». Int. J. Syst. Evol. Microbiol. 60 (Pt 6): 1271–9. 2010 թ․ հունիս. doi:10.1099/ijs.0.013102-0. PMID19667386.
Baron S, Salton MR, Kim KS (1996). «Structure». In Baron S, և այլք: (eds.). Baron's Medical Microbiology (4th ed.). Univ of Texas Medical Branch. ISBN978-0-9631172-1-2. PMID21413343.
Gupta RS (1998 թ․ օգոստոս). «What are archaebacteria: life's third domain or monoderm prokaryotes related to gram-positive bacteria? A new proposal for the classification of prokaryotic organisms». Mol. Microbiol. 29 (3): 695–707. doi:10.1046/j.1365-2958.1998.00978.x. PMID9723910.
«Negativicoccus succinicivorans gen. nov., sp. nov., isolated from human clinical samples, emended description of the family Veillonellaceae and description of Negativicutes classis nov., Selenomonadales ord. nov. and Acidaminococcaceae fam. nov. in the bacterial phylum Firmicutes». Int. J. Syst. Evol. Microbiol. 60 (Pt 6): 1271–9. 2010 թ․ հունիս. doi:10.1099/ijs.0.013102-0. PMID19667386.
Baron S, Salton MR, Kim KS (1996). «Structure». In Baron S, և այլք: (eds.). Baron's Medical Microbiology (4th ed.). Univ of Texas Medical Branch. ISBN978-0-9631172-1-2. PMID21413343.