Species within the genus Cuthonella include:[3][4]
Known species not provided with an alternate placement in Korshunova et al. (2025):[2]
Species originally described in Cuthonella but currently placed in synonymy include:[2][4]
- Cuthonella ainu Korshunova, N. P. Sanamyan, K. E. Sanamyan, Bakken, Lundin, Fletcher & Martynov, 2020 : synonym of Nella ainu
- Cuthonella anastasia Ekimova, Grishina & Nikitenko, 2024 : synonym of Nella anastasia
- Cuthonella antarctica Eliot, 1907: synonym of Galvinella antarctica Eliot, 1907
- Cuthonella benedykti Korshunova, N. P. Sanamyan, K. E. Sanamyan, Bakken, Lundin, Fletcher & Martynov, 2020: synonym of Nella benedykti
- Cuthonella elioti Odhner, 1944: synonym of Galvinella antarctica Eliot, 1907
- Cuthonella berghi Friele, 1903: synonym of Cuthonella abyssicola Bergh, 1884
- Cuthonella cocoachroma G. C. Williams & Gosliner, 1979: synonym of Margina cocoachroma
- Cuthonella concinna Alder & Hancock, 1843 : synonym of Fiocuthona concinna
- Cuthonella denbei Korshunova, N. P. Sanamyan, K. E. Sanamyan, Bakken, Lundin, Fletcher & Martynov, 2020 : synonym of Nella denbei
- Cuthonella elenae Martynov, 2000: synonym of Penistella elenae
- Cuthonella ferruginea Friele, 1903: synonym of Cuthonella abyssicola Bergh, 1884
- Cuthonella georgstelleri Korshunova, N. P. Sanamyan, K. E. Sanamyan, Bakken, Lundin, Fletcher & Martynov, 2020: synonym of Nella goergstelleri
- Cuthonella hiemalis Roginskaya: synonym of Nella hiemalis
- Cuthonella norvegica Odhner, 1929: synonym of Cuthona norvegica
- Cuthonella orientosiberica Korshunova, N. P. Sanamyan, K. E. Sanamyan, Bakken, Lundin, Fletcher & Martynov, 2020 : synonym of Nella orientosiberica
- Cuthonella osyoro Baba, 1940: synonym of Nella osyoro
- Cuthonella paradoxa Eliot, 1907: synonym of Guyvalvoria paradoxa
- Cuthonella rgo Korshunova & Martynov, 2022 : synonym of Nella rgo
- Cuthonella soboli Martynov, 1992: synonym of Nella soboli
- Cuthonella vasentsovichi Korshunova, N. P. Sanamyan, K. E. Sanamyan, Bakken, Lundin, Fletcher & Martynov, 2020: synonym of Victima vasentsovichi
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