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**INTRO**  A 2005 phylogentic analysis of the _Alphaproteobacteria_ class led to the creation of a new family, _Erythrobacteraceae_, to house the genera _Erythrobacter_, _Porphyrobacter_ and _Erythromicrobium_ \cite{Lee\_2005}. These genera were latter later  joined by _Altererythrobacter_\cite{Kwon\_2007} and _Croceicoccus_\cite{Xu\_2009}, the latter work also emended the description of the family. The salient features of the _Erythrobacteraceae_ family are Gram-negative, rod-shaped or pleomorphic coccoid bacteria that contain cartenoids. They do not form spores and are Chemo-organotrophic. Most species contain bacteriochlorophyll _a_. In this study, strain Coronado(T) was isolated from a stadium seat at Niedermeyer Field, Coronado High School in Coronado, California, USA as part of a nationwide Citizen Science project (Project MERCCURI) looking for isolates to send to the International Space Station (ISS) for a growth experiment. A cotton swab was used to swab the surface of a stadium seat, then dilution plated onto lysogeny-broth (LB) agar plates. Almost full length (primers 27F and 1391R) 16s rRNA sequencing showed 99% identity to a few uncultured sequences at NCBI, but only 95% identity to any cultured organsim (_Porphyrobacter donghaensis_)\cite{Yoon_2004}. Uncultured isolates with high identity (=>99%) were found in studies of deep ocean sediment and the human skin microbiome.  Phylogenetic and biochemical characteristics show that this isolate belongs to a new genus and species within the _Erythrobacteraceae_ family. However, phylogenetic analysis of the entire family would suggest that a major taxomic revision of the entire group is required, as has been suggested by others (e.g. \cite{Rainey_2003}) \cite{Rainey\_2003}) Here we describe the genotypic, morphologic, and biochemical characteristics of strain Coronado(T) that represents a novel genus and species. We propose the name of _Kirrobacter mercurialis_ gen. nov., sp. nov.  Here we describe the genotypic, morphologic, Cells were grown on   Cell morphology  and biochemical characteristics presence/absence  of strain Coronado(T) that represents a novel genus flagella was examined by light microscopy (???)  and species. We propose the name of _Kirrobacter mercurialis_ gen. nov., sp. nov. transmission electron microscopy. Cell were negatively stained (GET METHODS HERE, THERE WERE TWO KINDS). Growth was not observed under microaerophilic conditions so true anaerobic growth was not tested.