http://id.loc.gov/authorities/subjects/sh87003152 http://purl.bioontology.org/ontology/NCBITAXON/203691 http://purl.obolibrary.org/obo/NCIT_C76206 https://en.wikipedia.org/wiki/Category:Spirochaetes https://en.wikipedia.org/wiki/Spirochaete https://eol.org/pages/307 https://www.wikidata.org/wiki/Q12673555 A phylum of gram-negative bacteria that are distinguished from other bacterial phyla by the location of their flagella which run lengthwise between the cell membrane and outer membrane. Spirochaetes Spirochetes bacterium