kribbella catacumbae kribbella catacumbae kribbella catacumbae is a species of bacteria in the genus kribbella. it was discovered on the walls of roman catacombs in 2008. kribbella catacumbae scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: propionibacteriales family: kribbellaceae genus: kribbella species: k. catacumbae binomial name kribbella catacumbaeurzì et al. 2008 type strain bc631dsm 19601jcm 14968