WBishopella laciniosa, or Bishop's harvestman, is a species of armoured harvestman in the family Phalangodidae. It is found in North America.
WCerianthus filiformis is a species of tube-dwelling sea anemone in the family Cerianthidae. It is found throughout the tropical waters of the western Indo-Pacific Ocean.
WDactylogyrus vastator is a species of hermaphroditic flatworms of class Monogenea. It is an ectoparasite of fish which infests the gills. It is problematic on fish farms. It is otherwise non-hazardous to humans.
WErebomaster acanthinus is a species of armoured harvestman in the family Travuniidae. It is found in North America.
WHaplorchis taichui is a species of intestinal fluke in the family Heterophyidae. It is a human parasite.
WRaoiella indica, commonly known as the red palm mite, is a species of mite belonging to the family Tenuipalpidae. A pest of several species of palm in the Middle East and South East Asia, it is now becoming established throughout the Caribbean. The invasion of this species is the biggest mite explosion ever observed in the Americas.
WVosmaeropsis mackinnoni is a species of calcareous sponge in the family Heteropiidae, and was first described in 1924 by Arthur Dendy and Leslie M. Frederick. It is known only from its type locality in the Abrolhos Islands, in Western Australia.