Classification
Tree [regio]Heteroptera [subordo]
Gerridae [familia]
Eotrechinae [subfamilia]
Subfamilia Eotrechinae Matsuda, 1960 contains the following taxa:
Amemboa Esaki, 1925 [genus]
Amemboides J.T. Polhemus & Andersen, 1984 [genus]
Chimarrhometra Bianchi, 1896 [genus]
Eotrechus Kirkaldy, 1902 [genus]
Onychotrechus Kirkaldy, 1903 [genus]