WEpopella plicata is a species of symmetrical sessile barnacle in the family Tetraclitidae. It is found in New Zealand.
WGlyptidotea is a monotypic genus of isopod in the family Idoteidae. Its sole member is Glyptidotea lichtensteini, the keeled isopod, a medium-sized isopod found on the coast of southern Africa.
WIdotea granulosa is a species of marine isopod in the family Idoteidae.
WIphinoe trispinosa is a species of cumacean belonging to the family Bodotriidae and the genus Iphinoe.
WOcypode gaudichaudii, also known as the painted ghost crab or cart driver crab, is a species of crab found on Pacific beaches from El Salvador to Chile as well as on the Galápagos Islands. The species was first described by Henri Milne-Edwards and Hippolyte Lucas in 1843.
WOncaea venusta is a species of copepod with a cosmopolitan distribution, but lacking from the Arctic Ocean. Females are 1.1–1.3 mm (0.043–0.051 in) long, while males are only 0.8–1.0 mm (0.031–0.039 in) long. The front of the head is unusually wide, and the body is brightly coloured, usually yellow–orange, but sometimes red. O. venusta feeds on a variety of zooplankton and phytoplankton.
WOvalipes catharus, commonly known as paddle crab, is a species of crab of the family Portunidae. It is found around the coasts of New Zealand, the Chatham Islands, and in south-eastern parts of Australia. Individuals from shallow waters, 0.1–0.5 metres (4–20 in) deep, have a carapace width of only 10–15 millimetres (0.4–0.6 in), while those from 5–15 m (16–49 ft) are 100–140 mm (3.9–5.5 in) wide.