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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.