After Parker, 1982, “The Tree of Life”, and Grimaldi & Engel, 2005

<==o Gerromorpha (vesimittarimaiset luteet)
   |--o Mesoveliidae
   |  |-- †Duncanovelia extensa L.Cret. Aust.
   |  |-- †Karanabis kiritshenkoi U.Jur. CAs.
   |  `== numerous other genera
   `--+-- Hebridae
      `--+--+-- Paraphrynoveliidae
         |  `--+--o Macroveliidae
         |     |  |-- †Daniavelia morsensis Eoc. NEu.
         |     |  `== numerous Recent genera
         |     `--o Hydrometridae (water treaders; hiipparit)
         |        |-- †Carinametra burmensis U.Cret. SEAs.
         |        `--o Hydromerinae
         |           |-- †Cretaceometra brasiliensis L.Cret. ESA.
         |           `== numerous other genera
         `--+-- Hermatobatidae (coral treaders)
            `--+--o Veliidae (riffle bugs)
               |  |-- Rhagovelia
               |  `== numerous other genera
               `--o Gerridae (water striders; vesimittarit)
                  |?- †Paleogerris Eoc. NEu.
                  |--o Eotrechinae
                  |  |-- Eotrechus
                  |  |-- Onychotrechus
                  |  `== numerous other genera
                  `--o Gerrinae
                     |-- Rheumatobates
                     |--o Halobates M.Eoc.-R. Eu.
                     |  `-- †H. ruffoi
                     |?- Limnoporus
                     `== numerous other genera

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