Phylogenetic analysis of Ruminococcus flavescens , the type species of the genus Ruminococcus , does not support the reclassification of Streptococcus hansenii and Peptostreptococcus productus as Ruminococci.

Willems A., Collins M. D.. (1996)

International Journal of Systematic Bacteriology, 45, 572-575

International Journal of Systematic Bacteriology, 45, 572-575