Quatrionicoccus australiensis

{{Short description|Species of bacterium}}

{{Italic title}}

{{Taxobox

| name = Quatrionicoccus australiensis

| domain = Bacteria

| phylum = Pseudomonadota

| classis = Betaproteobacteria

| ordo = Rhodocyclales

| familia = Rhodocyclaceae

| genus = Quatrionicoccus

| species_authority =

| species = Q. australiensis

| binomial = Quatrionicoccus australiensis

| binomial_authority = Maszenan et al. 2002[https://lpsn.dsmz.de/genus/quadricoccus LSPN lpsn.dsmz.de]

| type_strain = Ben 117, CIP 107055, KCTC 12953, NCIMB 13738[http://www.straininfo.net/taxa/13368;jsessionid=A4357FAD73B94BAB8D78771D569D4651 Straininfo of Quadricoccus australiensis]

| synonyms =

}}

Quatrionicoccus australiensis (formerly known as Quatrionicoccus australiensis) is a gram-negative, oxidase-negative, catalase-positive, aerobic, non-motile bacterium from the genus of Quatrionicoccus which was isolated from activated sludge biomass sample in Australia.{{cite journal| pmid=11858148 | doi=10.1099/00207713-52-1-223 | volume=52 | title=Quadricoccus australiensis gen. nov., sp. nov., a beta-proteobacterium from activated sludge biomass | year=2002 | journal=Int J Syst Evol Microbiol | pages=223–8 | last1 = Maszenan | first1 = AM | last2 = Seviour | first2 = RJ | last3 = Patel | first3 = BK | last4 = Schumann | first4 = P| issue=Pt 1 | doi-access = free }}[http://eztaxon-e.ezbiocloud.net/ezt_hierarchy?m=nomen_view&nid=Quatrionicoccus+australiensis EzBioCloud]