WDipsacaster is an extinct genus of sea stars in the family Astropectinidae. It was described by Alcock in 1893, and is known from France and Morocco. It contains the species D. jadeti and D. africanus.
WDiscinisca is a genus of brachiopods with fossils dating back from the Early Devonian to the Pliocene of Africa, Europe, North America, and New Zealand.
WGlyphea is a genus of fossil glypheoid crustaceans that lived from the Jurassic to the Eocene. It includes the following species:
WNeithea is an extinct genus of bivalve molluscs that lived from the Early Jurassic to the early Paleocene, with a worldwide distribution. Neithia sp. are inequivalve. That means that the two valves are not the same shape, the right valve being strongly concave and the left valve being flattened or concave. Sculpture consist of alternating strong and weaker radiating ribs.
WOxytoma is an extinct genus of bivalve molluscs that lived from the Late Permian to the early Paleocene, with a worldwide distribution except Australia. The genus was named in 1864 by Fielding Bradford Meek.
WTerebratula is a modern genus of brachiopods with a fossil record dating back to the Late Devonian. These brachiopods are stationary epifaunal suspension feeders and have a worldwide distribution.
WVolutospina is an extinct genus of fossil gastropod that lived from the Cretaceous to the Eocene in Africa, Asia, Europe, and North America.