4 Mariana Islands species out of 15 reported
Additional trapeziid species reported from the Mariana Islands by Paulay et al. (2003):
- Quadrella sp.
- Trapezia cymodoce (Herbst, 1799)
- Trapezia digitalis Latreille, 1828
- Trapezia flavopunctata Eydoux & Souleyet, 1842
- Trapezia formosa Smith, 1869
- Trapezia garthi Galil, 1984
- Trapezia neglecta Castro, 2003
- Trapezia plana Ward, 1941
- Trapezia septata Dana, 1852
- Trapezia serenei Odinetz, 1984
- Trapezia speciosa Dana, 1852