Threatened arthropods United States, and IUCN Red List for international purposes. Only a tiny fraction of the planet's endangered arthropods are formally recognized as such, as no one has ever evaluated the conservation status of the vast majority of arthropod species. It is difficult to estimate the total number of endangered arthropod species, since many of the taxa themselves have not been recorded. For example, in North America the estimated number of insect species exceeds 163,000, of which only about two thirds are taxonomically known. An even greater discovery awaiting, over 72 percent of North American arachnids are yet to be named
Eight Pillars Eight Pillars The Eight Pillars also known as Eight Pillars of the Sky are a concept from Chinese mythology. Located in the eight cardinal directions, they are a group of eight mountains or pillars which have been thought to hold up the sky. They are symbolically important as types of "axis mundi" and cosmology. Their functions in mythology ranged from pillars which functioned to hold apart the Earth and the Sky (or Heaven), as ladders allowing travel between the two, and as the location of various paradises or wonderland with associated magical people, plants, and animals. The Eight Pillars are