1. Species Tmetonyx cicada (Fabricius, 1780)
2. Species Tmetonyx similis (G.O. Sars, 1891)
3. Species Tmetonyx caeculus (G.O. Sars, 1891) accepted as Caeconyx caeculus (G.O. Sars, 1891) (superseded combination)

marine, brackish, fresh, terrestrial

recent only

masculine

Stebbing T.R.R. (1906). Amphipoda. I. Gammaridea. <em>Das Tiereich.</em> 21, 1-806, 127 figs., available online at http://www.biodiversitylibrary.org/page/998303#page/7/mode/1up [details] 

Horton, T.; Lowry, J.; De Broyer, C.; Bellan-Santini, D.; Copilas-Ciocianu, D.; Corbari, L.; Costello, M.J.; Daneliya, M.; Dauvin, J.-C.; Fišer, C.; Gasca, R.; Grabowski, M.; Guerra-García, J.M.; Hendrycks, E.; Hughes, L.; Jaume, D.; Jazdzewski, K.; Kim, Y.-H.; King, R.; Krapp-Schickel, T.; LeCroy, S.; Lörz, A.-N.; Mamos, T.; Senna, A.R.; Serejo, C.; Souza-Filho, J.F.; Tandberg, A.H.; Thomas, J.D.; Thurston, M.; Vader, W.; Väinölä, R.; Valls Domedel, G.; Vonk, R.; White, K.; Zeidler, W. (2025). World Amphipoda Database. Tmetonyx Stebbing, 1906. Accessed through: The UK Marine Environmental Data and Information Network (2025) Marine Species of the British Isles and Adjacent Seas (MSBIAS): a checklist of species derived from the UNICORN and Marine Recorder applications at: https://www.marinespecies.org/msbias/aphia.php?p=taxdetails&id=101658 on 2025-05-10

The UK Marine Environmental Data and Information Network (2025). Marine Species of the British Isles and Adjacent Seas (MSBIAS): a checklist of species derived from the UNICORN and Marine Recorder applications. Tmetonyx Stebbing, 1906. Accessed at: https://www.marinespecies.org/Msbias/aphia.php?p=taxdetails&id=101658 on 2025-05-10

[taxonomic tree]