According to Wang et al. (2005), this species is an earlier heterotypic synonym of Clostridiumabsonum Nakamura et al. 1973 (Approved Lists 1980).Publication:
Wang X, Maegawa T, Karasawa T, Ozaki E, Nakamura S. Clostridium sardiniense Prevot 1938 and Clostridium absonum Nakamura et al. 1973 are heterotypic synonyms: evidence from phylogenetic analyses of phospholipase C and 16S rRNA sequences, and DNA relatedness. Int J Syst Evol Microbiol 2005; 55:1193-1197.