Tyzzerella nexilis Dataset NCBI Taxonomy Classification phylum Bacillota class Clostridia order Lachnospirales family Lachnospiraceae genus Tyzzerella species Clostridium nexile Name Homonyms Tyzzerella nexilis Tyzzerella nexilis DSM 1787 "Tyzzerella nexilis" Yutin and Galperin 2013