Abyssivirga is a bacterial genus from the family Vallitaleaceae with one known species, Abyssivirga alkaniphila.
Abyssivirga alkaniphila is a Gram-positive, rod-shaped, strictly anaerobic, mesophilic, syntrophic, alkane-degrading and motile bacterium which has been isolated from biofilm from a black smoker chimney from the Loki's Castle vent field near Norway.
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