Evidence for the placement of the gram-negative Catonella morbi (Moore and Moore) and Johnsonella ignava (Moore and Moore) within the Clostridium subphylum of the gram-positive bacteria on the basis of 16S rRNA sequences.

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

International Journal of Systematic Bacteriology, 45, 855-857

International Journal of Systematic Bacteriology, 45, 855-857