"GC_ID:11"^^ . "ncbi_taxonomy"^^ . "Clostridium pfennigii Krumholz and Bryant 1985"^^ . "Clostridium pfennigii"^^ . "Oxobacter pfennigii (Krumholz and Bryant 1985) Collins et al. 1994"^^ . . . . "Oxobacter pfennigii"^^ . "PMID:7981107"^^ .