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Yicaris dianensis is a species of microscopic pancrustacean [1] [2] found in the Yu’anshan Formation, Yunnan Province, China. [3] Yicaris' discovery is notable because its age suggests that true crustaceans already existed as far back in time as Early Cambrian, much earlier than other fossils known from the Middle and Late Cambrian.
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The York Daily Record is a newspaper and news publisher serving York, Pennsylvania, United States, and the surrounding region. Its news publications are the York Daily Record and York Sunday News . At the end of 2014, the newspaper's circulation was 37,323 daily and 61,665 on Sundays.
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.
Karen Chávez is Executive Editor for the Asheville Citizen Times and the Hendersonville Times-News, part of the USA TODAY Network. Tips, comments, questions? Call 828-236-8980, email, KChavez ...
Alaska's snow crab collapse was likely caused by climate change, and cannibalism. Skip to main content. Search. Need help? Call us! 800-290-4726. Login / Join. Mail. Downloads; AOL App ...
Leptostraca (from the Greek words for thin and shell) [3] is an order of small, marine crustaceans. Its members, including the well-studied Nebalia, occur throughout the world's oceans and are usually considered to be filter-feeders. [4] It is the only extant order in the subclass Phyllocarida.