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  2. Wujicaris - Wikipedia

    en.wikipedia.org/wiki/Wujicaris

    Wujicaris is a crustacean known from the Chengjiang Lagerstatte, uniquely fossilised in Orsten-type preservation and known from four larval specimens in the early metanauplius stage roughly 270 μm long.

  3. Hymenocaris - Wikipedia

    en.wikipedia.org/wiki/Hymenocaris

    Hymenocaris is a genus of Cambrian crustaceans. Taxonomy. Some species originally assigned to Hymenocaris were later transferred to Canadaspis, ...

  4. Timeline of fish evolution - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_fish_evolution

    Cambrian: Cambrian (541–485 Ma): The beginning of the Cambrian was marked by the Cambrian explosion, the sudden appearance of nearly all of the invertebrate animal phyla (molluscs, jellyfish, worms and arthropods, such as crustaceans) in great abundance. The first vertebrates appeared in the form of primitive fish, which were subsequently ...

  5. Ercaia - Wikipedia

    en.wikipedia.org/wiki/Ercaia

    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.

  6. Crustacean - Wikipedia

    en.wikipedia.org/wiki/Crustacean

    Crustaceans (from Latin meaning: "those with shells" or "crusted ones") are invertebrate animals that constitute one group of arthropods that are a part of the subphylum Crustacea (/ k r ə ˈ s t eɪ ʃ ə /), a large, diverse group of mainly aquatic arthropods including decapods (shrimps, prawns, crabs, lobsters and crayfish), seed shrimp, branchiopods, fish lice, krill, remipedes, isopods ...

  7. Cambrian explosion - Wikipedia

    en.wikipedia.org/wiki/Cambrian_explosion

    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.

  8. Yicaris - Wikipedia

    en.wikipedia.org/wiki/Yicaris

    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.

  9. List of arthropods of the Cambrian Period - Wikipedia

    en.wikipedia.org/wiki/List_of_arthropods_of_the...

    This list contains many extinct arthropod genera from the Cambrian Period of the Paleozoic Era. Some trilobites, bradoriids and phosphatocopines may not be included due to the lack of literature on these clades and inaccessibility of many papers describing their genera. This list also provides references for any Wikipedia users who intend to ...