advenella advenella advenella is a genus in the phylum pseudomonadota (bacteria). the two members of the genus tetrathiobacter were transferred to this genus, namely tetrathiobacter kashmirensis and tetrathiobacter mimigardefordensis. advenella scientific classification domain: bacteria phylum: pseudomonadota class: betaproteobacteria order: burkholderiales family: alcaligenaceae genus: advenella type species a. incenata etymology the name advenella derives from:latin advena, a stranger, a foreigner; and ella, a diminutive; advenella, then, means the little stranger, referring to the fact that the source of these unusual organisms is unknown. species the genus contains four species (including basonyms and synonyms): a. faeciporci (matsuoka et al. 2012) a. incenata (coenye et al. 2005), type species a. kashmirensis (ghosh et al. 2005) a. mimigardefordensis (wübbeler et al. 2006)