geobacter psychrophilus geobacter psychrophilus geobacter psychrophilus is a fe(iii)-reducing bacterium. it is gram-negative, slightly curved, rod-shaped and motile via means of monotrichous flagella. its type strain is p35t (=atcc baa-1013t =dsm 16674t =jcm 12644t). geobacter psychrophilus scientific classification domain: bacteria phylum: thermodesulfobacteriota class: desulfuromonadia order: geobacterales family: geobacteraceae genus: geobacter species: g. psychrophilus binomial name geobacter psychrophilusnevin et al. 2005 synonyms citrifermentans pelophilus (straub & buchholz-cleven 2001) waite et al. 2020 geoanaerobacter pelophilus (straub & buchholz-cleven 2001) xu et al. 2022 geomonas pelophila (straub & buchholz-cleven 2001) xu et al. 2020