acidaminobacter acidaminobacter acidaminobacter is a genus in the phylum bacillota (bacteria). acidaminobacter scientific classification domain: bacteria phylum: bacillota class: clostridia order: clostridiales family: clostridiaceae genus: acidaminobacter type species a. hydrogenoformans etymology the name acidaminobacter derives from neo-latin acidum aminum, amino acid, a rod bacter, nominally meaning "a rod", but in effect meaning a bacterium, a staff or rod; resulting in acidaminobacter, the amino acid rod bacterium. species the genus contains a single species, acidaminobacter hydrogenoformans (stams and hansen 1985, type species of the genus). the specific name is based on new latin hydrogenum (from greek húdōr (ὕδωρ), water; and gennaō (γεννάω), to produce) hydrogen (that which produces water, so called because it forms water when exposed to oxygen); latin formans, forming, giving hydrogen-forming.)