Eudorella paramonodon Mühlenhardt-Siegel, 2025Holotype.South Atlantic Ocean • non-ovig. ♀; Argentine Basin; DIVA III exped. FS Meteor; stat. M 79 / 1-533; 36°0.20'S, 49°01.96'W [- 36.00333, - 49.03267; - 36.00450, - 49.03533]; 4602 [4601.8–4605.7] m depth; 15 July 2009; Pedro Martínez Arbizu leg.; epibenthic sledge; ZMH -K-064945.Paratypes.* • subA. ♂; same data as holotype; dissected; ZMH -K-064946. * • non-ovig. ♀; same data as holotype; ZMH -K-064971. * • juv. ♂ + ♂; Argentine Basin; DIVA III exped. FS Meteor; stat. M 79 / 1-534; 36°0.61'S, 49°01.54'W [- 36.01017, - 49.02567; - 36.01150, - 49.02900]; 4608 [4607.8–4605.1] m depth; 16 July 2009; Pedro Martínez Arbizu leg.; epibenthic sledge; ZMH -K-064972. * • non-ovig. ♀; Brazil Basin; DIVA III exped. FS Meteor; stat. M 79 / 1-604; 03°57.67'S, 28°05.36'W [- 3.96117, - 28.08933; - 3.96183, - 28.08700]; 5180 [5179.8–5232.8] m depth; 5 August 2009; Pedro Martínez Arbizu leg.; epibenthic sledge; front part damaged; ZMH -K-064973. * • 1 m.; Brazil Basin; DIVA III exped. FS Meteor; stat. M 79 / 1-609; 03°57.54'S, 28°03.07'W [- 3.95900, - 28.05117; - 3.95967, - 28,048 83]; 5170 [5170.4–5180.6] m depth; 6 August 2009; Pedro Martínez Arbizu leg.; epibenthic sledge; ZMH -K-064974.Diagnosis.Anterior margin of carapace with tooth formula: 7 up, 0 down (above antennal notch), 2 down (below antennal notch); second article of the A 1 peduncle not dilated (after Mühlenhardt-Siegel 2025).Distribution.Southwest Atlantic, Argentine and Brazil Basins, 4602–5180 m depth.