According to Bae et al. (2004), this species is a later heterotypic synonym of Tissierellapraeacuta (Tissier 1908) Collins and Shah 1986.Publication:
Bae JW, Park JR, Chang YH, Rhee SK, Kim BC, Park YH. Clostridium hastiforme is a later synonym of Tissierella praeacuta. Int J Syst Evol Microbiol 2004; 54:947-949.
Clostridiumhastiforme is the correct name if this species is regarded as a separate species within a separate genus Clostridium.
The full TRBA 466 classification is: risk group = 2, note = "ht".