WATER WATER. oil/water contact. gas/oil contact. Traps are usually classified according to the mechanism that produces the hydrocarbon. accumulation. The two main groups of traps are those that are formed by structural deformation.
Geoffroy's spider monkey (Ateles geoffroyi), also known as the black-handed spider monkey, is a species of spider monkey, a type of New World monkey, from Central America, parts of Mexico and possibly a small portion of Colombia.There are at least five subspecies.eoffroy's spider monkey lives in fissionâfusion societies that contain between 20 and 42 members.
Japanese spider crab (Macrocheira kaempferi), the largest crab alive, found on the bottom of the Pacific Ocean. Portly spider crab (Libinia emarginata), a species of crab found in estuarine habitats on the east coast of North America.Hyas, a genus of spider crabs, including the great spider crab (Hyas araneus), found in the Atlantic and the North Sea. Maja squinado, sometimes called the European spider crab.o, spider crabs are not spiders (terrestrial, and of the arachnid  class) but are crustaceans (Japanese spider crabs are strictly  aquatic). They are, however, the largest â¦ species of crab reaching  about 3.8m (12 ft) across. 1 person found this useful.