psychroglaciecola psychroglaciecola psychroglaciecola is a genus of bacteria from the family methylobacteriaceae with one known species (psychroglaciecola arctica). psychroglaciecola scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: hyphomicrobiales family: methylobacteriaceae genus: psychroglaciecolaqu et al. 2014 type species psychroglaciecola arctica species p. arctica