Paracerceis sculpta (Holmes, 1904), male, (CMNC 1992-0513). A. Dorsal view; B. Lateral view. Paradella dianae (Menzies, 1962), male, (CMNC 1990-0073); C. Dorsal view; D. Pleotelson, dorsal view; E. Sphaeroma quadridentatum (Say, 1818); F. Sphaeroma terebrans, Bate 1866. Tecticeps convexus Richardson, 1899, male, (CMNC 1992-0541); G. Dorsal view; H. Head ventral view.

  Part of: Khalaji-Pirbalouty V, Gagnon J-M (2023) Illustrated catalogue of sphaeromatoid isopods (Crustacea, Malacostraca) in the Canadian Museum of Nature (CMN). Zoosystematics and Evolution 99(2): 375-389.