Two new species and a new record of Comesomatidae (Nematoda, Araeolaimida) from the Southern Ocean.

ABSTRACT: Two new marine nematode species of the genus Sabatieria and a new record of Hopperiabeaglense Chen & Vincx, 1998 belonging to the family Comesomatidae are described from the Southern Ocean using morphological and molecular data. Sabatieriacosmonautae sp. nov. is characterized by body length 1786-2230 μm, short cephalic setae, lateral differentiation of body cuticle with sparse punctations starting from amphid to near tail tip, spiral amphidial fovea with three turns, spicules arcuate and 1.2-1.5 cloacal body diameters long, with straight dorso-caudal gubernacular apophyses, and 16 or 17 precloacal supplements. Sabatieriacrassilonga sp. nov. is characterized by body length 2628-3613 μm, short cephalic setae, cuticle with lateral differentiation of c

SUBMITTER: Fu S 

PROVIDER: S-EPMC12264501 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature