Serolidae

Serolidae is a family of isopod crustaceans. The family encompasses 22 genera with 109 species. These species are exclusively marine and are distributed across the marine realms as follows: one species can be found in the Temperate Northern Atlantic, one species in the Temperate Northern Pacific, seven species in the Tropical Atlantic, six species in the Central Indo-Pacific, 16 species in Temperate South America, one species in Temperate Southern Africa, 20 species in Temperate Australasia, and 31 species in the Southern Ocean. They convergently evolved a trilobite-like shape.