Search results
Results from the WOW.Com Content Network
Crustaceans have a rich and extensive fossil record, most of the major groups of crustaceans appear in the fossil record before the end of the Cambrian, namely the Branchiopoda, Maxillopoda (including barnacles and tongue worms) and Malacostraca; there is some debate as to whether or not Cambrian animals assigned to Ostracoda are truly ...
The Cambrian explosion (also known as Cambrian radiation [1] or Cambrian diversification) is an interval of time beginning approximately in the Cambrian period of the early Paleozoic, when a sudden radiation of complex life occurred and practically all major animal phyla started appearing in the fossil record.
Ercaia is genus of Cambrian arthropod known for being a member of the Chengjiang biota, containing the single species E. minuscula. It has been suggested to be one of the oldest crustaceans ever found. [1]
Hymenocaris is a genus of Cambrian crustaceans. Taxonomy. Some species originally assigned to Hymenocaris were later transferred to Canadaspis, ...
Wujicaris is a crustacean known from the Chengjiang Lagerstatte, ... thus possibly suggesting the existence of Thecostraca during the Cambrian. [2] ...
Skara is a genus of “maxillopod” crustacean known from the Upper Cambrian Orsten deposit of Sweden and similarly aged deposits in China. [2] It is the only genus in the order Skaracarida and family Skaraidae, and contains three species, S. anulata, S. minuta and S. hunanensis.
The Cambrian (/ ˈ k æ m b r i. ə n, ˈ k eɪ m-/ KAM-bree-ən, KAYM-) is the first geological period of the Paleozoic Era, and the Phanerozoic Eon. [5] The Cambrian lasted 51.95 million years from the end of the preceding Ediacaran period 538.8 Ma (million years ago) to the beginning of the Ordovician Period 486.85 Ma.
Branchiopoda is a class of crustaceans. It comprises fairy shrimp, clam shrimp, Diplostraca (or Cladocera), Notostraca, the Devonian Lepidocaris and possibly the Cambrian Rehbachiella. They are mostly small, freshwater animals that feed on plankton and detritus.