Advenella mimigardefordensis is a bacterium from the genus Advenella. The complete genome of A. mimigardefordensis strain DPN7 has been sequenced. Tetrathiobacter mimigardefordensis has been reclassified to A. mimigardefordensis. A. mimigardefordensis SM421 has antimicrobial activity against Enterococcus faecalis.