neochlamydia hartmannellae neochlamydia hartmannellae neochlamydia hartmannellae is a species of bacteria, the type species of its genus. it is a bacterial endocytobionts of hartmannella vermiformis, hence its name. neochlamydia hartmannellae scientific classification domain: bacteria phylum: chlamydiota class: chlamydiia order: chlamydiales family: parachlamydiaceae genus: neochlamydia species: n. hartmannellae binomial name neochlamydia hartmannellaehorn et al. 2001