11 Mariana Islands species out of 12 reported | 12 Indo-Pacific species | 1 Western Atlantic species
Enneapterygius cf. cheni
Enneapterygius nanus
Enneapterygius nuie?
Enneapterygius similis
Enneapterygius tutuilae
Helcogramma aquila
Helcogramma capidatum
Helcogramma chica
Norfolkia cf. brachylepis
Ucla xenogrammus
triplefin sp. A
Additional triplefin species reported from the Mariana Islands by Myers and Donaldson (2003):