Aquaspirillum serpens
Aquaspirillum fasciculus
Aquaspirillum bengal
Aquaspirillum putridiconchylium
Aquaspirillum arcticum
Aquaspirillum bipunctata
Aquaspirillum denitrificans
Aquaspirillum elegans
Aquaspirillum polymorphum
Aquaspirillum dispar
Aquaspirillum anulus
Aquaspirillum aquaticum
Aquaspirillum autotrophicum
Aquaspirillum delicatum
Aquaspirillum giesbergeri
Aquaspirillum gracile
Aquaspirillum itersonii
(tree size 2)
Aquaspirillum magnetotacticum
Aquaspirillum metamorphum
Aquaspirillum peregrinum
(tree size 2)
Aquaspirillum psychrophilum
Aquaspirillum sinuosum
Aquaspirillum soli