Sabatieria brevicaudata sp. nov. (Figures 2 – 5, Table 2) Type material. Holotype male in inventory slide no. MBSMCOIA-C4-12-3-0-2-1. Paratypes: four males in inventory slide no. MBSMCOIA-MF1-2-2-5-2, MBSMCOIA-C4-11-3-2-5, and MBSMCOIA-M10D-3-2-5-3; four females in inventory slide no. MBSMCOIA-MF1-2-2-5-2, MBSMCOIA-C4-12-3-0-2-2 and MBSMCOIA-DE-05- 1-2-5. Type locality and habitat. Holotype collected in the Cosmonauts Sea, 67.1217°S, 44.3743°E; depth 1321 m; 22 January 2021; total organic carbon 0.22%; sand, 50.73%; clay, 7.62%; silt 41.11%; mean particle diameter 4.49 μm. Paratypes collected in the Cosmonauts Sea and Prydz Bay; 64.8980°S – 67.5388°S, 44.3743°E – 77.3473°E; depth 310–2720 m; 31 December 2020 – 22 January 2021; total organic carbon 0.22–1.37%; sand, 4.78–50.73%; clay, 7.62–23.70%; silt 41.11–75.37%; mean particle diameter 4.49–6.77 μm. Etymology. The species epithet is named after the character of relatively short conical tail. ; Published as part of Fu, Sujing, Zhang, Shuyi, Leduc, Daniel, Mou, Jianfeng & Lin, Heshan, 2023, Two new species of Sabatieria de Rouville, 1903 (Nematoda: Araeolaimida: Comesomatidae) from the Southern Ocean, pp. 563-581 in Zootaxa 5389 (5) on page 566, DOI:10.11646/zootaxa.5389.5.3, http://zenodo.org/record/10421723