defluviicoccus defluviicoccus defluviicoccus is a genus in the phylum pseudomonadota (bacteria). defluviicoccus scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: rhodospirillales family: geminicoccaceae genus: defluviicoccus type species defluviicoccus vanus species "candidatus defluviicoccus seviourii" onetto et al. 2019 "candidatus defluviicoccus tetraformis" nobu et al. 2014 defluviicoccus vanus corrig. maszenan et al. 2005 synonyms defluvicoccus maszenan et al. 2005 etymology the name defluviicoccus derives from:latin noun defluvium, sewage; and coccus (from greek kokkos (κόκκος), grain, seed), coccus; defluviicoccus, a coccus from sewage. species the genus contains a single valid species, namely d. vanus (corrig. maszenan et al. 2005, (type species of the genus).; latin vanus, empty, idle, referring to its staining behaviour.)