==Classification==Thirty-four species are currently recognised, in four families:*Thermosbaenidae Monod, 1927**"Thermosbaena mirabilis" Monod, 1924 Tunisia*Monodellidae Taramelli, 1924**"Monodella stygicola" Ruffo, 1949 southern Italy**"Tethysbaena aiakos" Wagner, 1994 Greece**"Tethysbaena argentarii" (Stella, 1951) Italy**"Tethysbaena atlantomaroccana" (Boutin & Cals, 1985) Morocco**"Tethysbaena calsi" Wagner, 1994 British Virgin Islands**"Tethysbaena colubrae" Wagner, 1994 Puerto Rico**"Tethysbaena coqui" Wagner, 1994 Puerto Rico**"Tethysbaena gaweini" Wagner, 1994 Cuba**"Tethysbaena haitiensis" Wagner, 1994 Cuba**"Tethysbaena halophila" (S.L.
Отряд включает 34 вида в 4 семействах:* Thermosbaenidae Monod, 1927** "Thermosbaena mirabilis" Monod, 1924* Monodellidae Taramelli, 1924** "Monodella stygicola" Ruffo, 1949** "Tethysbaena aiakos" Wagner, 1994** "Tethysbaena argentarii" (Stella, 1951)** "Tethysbaena atlantomaroccana" (Boutin & Cals, 1985)** "Tethysbaena calsi" Wagner, 1994** "Tethysbaena colubrae" Wagner, 1994** "Tethysbaena coqui" Wagner, 1994** "Tethysbaena gaweini" Wagner, 1994** "Tethysbaena haitiensis" Wagner, 1994** "Tethysbaena halophila" (S.L.