marinilactibacillus psychrotolerans marinilactibacillus psychrotolerans marinilactibacillus psychrotolerans is a gram-positive, mesophilic, alkaliphilic, slightly halophilic, highly halotolerant, non-spore-forming and motile bacterium from the genus marinilactibacillus which has been isolated from a sponge from the oura beach. marinilactibacillus psychrotolerans scientific classification domain: bacteria phylum: bacillota class: bacilli order: lactobacillales family: carnobacteriaceae genus: marinilactibacillus species: m. psychrotolerans binomial name marinilactibacillus psychrotoleransishikawa et al. 2003 synonyms marinilactobacillus psychrotolerans