Eusirus

Eusirus is a genus of amphipods belonging to the family Eusiridae. The genus has cosmopolitan distribution. Within the genus Eusirus sexual dimorphism is weak, therefore identifying the sex of non-adult individuals is difficult.

==Species== The following species are recognised: Eusirus abyssi Stephensen, 1944 Eusirus antarcticus Thomson, 1880 Eusirus bathybius Schellenberg, 1955 Eusirus biscayensis Bonnier, 1896 Eusirus bonnieri Othaitz & Sorbe, 2020 Eusirus bouvieri Chevreux, 1911 Eusirus bulbodigitus Jung, Kim, Soh & Yoon, 2016 Eusirus columbianus Bousfield & Hendrycks, 1995 Eusirus crosnieri Ledoyer, 1978 Eusirus cuspidatus Krøyer, 1845 Eusirus fragilis Birstein & M. Vinogradov, 1960 Eusirus giganteus Andres, Lörz & Brandt, 2002 Eusirus hirayamai Bousfield & Hendrycks, 1995 Eusirus holmii Hansen, 1887 Eusirus laevis Walker, 1903 Eusirus laticarpus Chevreux, 1906 Eusirus latirostris Ledoyer, 1982 Eusirus leptocarpus G.O. Sars, 1893 Eusirus liui Wang, Sha & Ren, 2021 Eusirus longipes Boeck, 1861 Eusirus meteorae Andres, 1996 Eusirus microps Walker, 1906 Eusirus minutus G.O. Sars, 1893 Eusirus nevandis J.L. Barnard, 1961 Eusirus parvus Pirlot, 1934 Eusirus perdentatus Chevreux, 1912 Eusirus pontomedon Verheye & d'Udekem d'Acoz, 2020 Eusirus propeperdentatus Andres, 1979 Eusirus propinqvus G.O. Sars, 1893 Eusirus tjalfiensis Stephensen, 1912 Eusirus tridentatus Bellan-Santini & Ledoyer, 1974