"Caecibacterium sporoformans" Onrust et al. 2017 Dataset NCBI Taxonomy Classification phylum Bacillota class Clostridia order Lachnospirales family Lachnospiraceae genus Caecibacterium species Caecibacterium sporoformans Name Homonyms Caecibacterium sporoformans "Caecibacterium sporoformans" Onrust et al. 2017 Caecibacterium sporoformans Oren et al. 2019