''Kuanyangia'' is an
extinct
Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and ...
genus from a well-known class of
fossil marine
arthropods, the
trilobites. It lived during the early part of the
Botomian stage,
which lasted from approximately 524 to 518.5 million years ago. This faunal stage was part of the
Cambrian Period
The Cambrian Period ( ; sometimes symbolized C with bar, Ꞓ) was the first geological period of the Paleozoic Era, and of the Phanerozoic Eon. The Cambrian lasted 53.4 million years from the end of the preceding Ediacaran Period 538.8 million ...
.
References
Cambrian trilobites
Fossils of China
Fossil taxa described in 1953
Redlichiidae
Redlichiida genera
{{redlichiida-stub