Etymology:N.L. neut. dim. n.Clostridium, a bacterial genus; L. suff. -oides, resembling, similar; from Gr. suff. -eides; from Gr. n. eidos, that which is seen, form, shape, figure; N.L. neut. n. Clostridioides, organism similar to Clostridium
Lawson PA, Citron DM, Tyrrell KL, Finegold SM. Reclassification of Clostridium difficile as Clostridioides difficile (Hall and O'Toole 1935) Prevot 1938. Anaerobe 2016; 40:95-99.
Oren A, Garrity GM. Validation list no. 171. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2016; 66:3761-3764.
The type species of this genus has alternatively been placed in the genus Bacillus Cohn 1872 (Approved Lists 1980).Publication:
Hall IC, O'Toole E. Intestinal flora in newborn infants with a description of a new pathogenic anaerobe, Bacillus difficilis. American Journal of Diseases of Children 1935; 49:390-402.
The type species of this genus has alternatively been placed in the genus Clostridium Prazmowski 1880 (Approved Lists 1980).Publication:
Prévot AR. Études de systématique bactérienne. IV. Critique de la conception actuelle du genre Clostridium. Annales de l'Institut Pasteur (Paris) 1938; 61:72-91.
Number of child taxa with a validly published and correct name: 2 Number of child taxa with a validly published name, including synonyms: 2 Total number of child taxa: 2