opitutaceae opitutaceae the opitutaceae are a gram-negative and chemoheterotrophic order of the domain bacteria. opitutaceae bacteria were isolated from soil and coastal marine springs. opitutaceae scientific classification domain: bacteria phylum: verrucomicrobiota class: opitutae order: opitutales family: opitutaceaechoo et al. 2007 species alterococcus "ca. didemnitutus" cephaloticoccus ereboglobus "geminisphaera" "lacunisphaera" nibricoccus oleiharenicola opitutus rariglobus "ca. synoicihabitans" phylogeny the currently accepted taxonomy is based on the list of prokaryotic names with standing in nomenclature (lpsn) and national center for biotechnology information (ncbi) 16s rrna based ltp_01_2022 120 marker proteins based gtdb 07-rs207 oleiharenicola cephaloticoccus ereboglobus nibricoccus opitutus "geminisphaera" rariglobus pelagicoccus yoon et al. 2007 "ca. didemnitutus" corrig. lopera et al. 2017 "lacunisphaera" rast et al. 2017 "geminisphaera" wertz et al. 2017 rariglobus pitt et al. 2020 ereboglobus tegtmeier et al. 2018 nibricoccus baek et al. 2019 opitutus chin, liesack & janssen 2001 cephaloticoccus' lin et al. 2016