Superorder

Peracarida (Amphipods, isopods, and allies)

Argeia pugettensis. Photo: (c) Alex Bairstow，保留部分权利（CC BY-NC）

iNaturalist • Wikipedia

The superorder Peracarida is a large group of malacostracan crustaceans, having members in marine, freshwater, and terrestrial habitats. They are chiefly defined by the presence of a brood pouch, or marsupium, formed from thin flattened plates (oostegites) borne on the basalmost segments of the legs. Peracarida is one of the largest crustacean taxa and includes about 12,000 species. Most members are less than 2 cm (0.8 in) in length but the largest is probably the giant isopod (Bathynomus…

— Wikipedia

Subtaxa

Order: Isopoda (Isopods)

Order: Mysida (Opossum shrimps)

Order: Amphipoda (Amphipods)

Where in Humboldt

Discussion

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