W

Actinoptilum is a genus of sea pen in the family Echinoptilidae. It is monotypic with a single species, Actinoptilum molle, commonly known as the radial sea pen or purple sea pen, which is found off the coasts of South Africa.

W

Apolemia uvaria, commonly known as string jellyfish, barbed wire jellyfish, and long stringy stingy thingy, is a siphonophore in the family Apolemiidae.

W

Brachyiulus pusillus is a species of millipede in the family Julidae. It is widespread in Europe and has also been introduced to islands around the world, continental South America, South Africa, and Oceania, and is potentially widespread in North America, although previous records may have confused B. pusilus with the related B. lusitanus. The species is brownish-black coloured and has 30–34 segments. They also have either light yellowish or reddish lines that are located closer to the centre of the back. It can be found on bushes and trees. The species are commonly found in walls or fences.

W

Breynia australasiae is a species of sea urchins of the Family Loveniidae, most commonly referred to as a heart urchin. Their armour is covered with spines. Breynia australasiae was first scientifically described in 1815 by Leach.

W

Cycloseris cyclolites is a species of disc coral in the family Fungiidae. It was first described by the French naturalist Jean-Baptiste Lamarck in 1815. It is native to the tropical and subtropical Indo-Pacific region where it is found on soft sediment in shallow water.

W

Ixodes hexagonus, also known by its common name the Hedgehog tick, is a tick species in the genus Ixodes. It is a parasite of the European hedgehog.

W

Leptogorgia virgulata, commonly known as the sea whip or colorful sea whip, is a species of soft coral in the family Gorgoniidae.

W

Phallusia mammillata is a solitary marine tunicate of the ascidian class found in the eastern Atlantic Ocean and the Mediterranean Sea.

W

Prostheceraeus vittatus, the candy striped flatworm, is a species of marine polyclad flatworm in the family Euryleptidae. It is found in Western Europe, including on the western coasts of the British Isles.

W

Scolopendra subspinipes is a species of very large centipede found throughout eastern Asia. One of the most widespread and common species in the genus Scolopendra, this species is also found on virtually all land areas around and within the Indian Ocean, all of tropical and subtropical Asia from Russia to the islands of Malaysia and Indonesia, Australia, South and Central America, the Caribbean islands, and possibly parts of the southern United States. However, how much of this range is natural and how much due to human introduction is unclear. With a wide geographic range and numerous color variations, the species is known by a great many common names including Chinese red-headed centipede, jungle centipede, orange-legged centipede, red-headed centipede and Vietnamese centipede.