Genus Limnoria Leach, 1814

Diagnosis. Antennular flagellum with 3–4 articles. Antennal flagellum articles with 3–5 articles. Uropodal exopod much shorter than endopod. Uropodal endopod blunt, without claw. Pereopod 1 secondary unguis bifid or variable (Cookson 1991).

Remarks. Limnoria is a large genus, numbering 53 species, all of which inhabit or bore wood, marine algae, and seagrass (Cookson 2001; Schotte 2007; Yoshino et al. 2017). The most recent generic revision is that of Cookson (1991).