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  1. An early mandibulate called Odaraia alata is one of the largest Cambrian arthropods at nearly 20 cm (7.9 inches) in length. First described in 1912, this enigmatic species is characterized by its unique tubular carapace and rudder-like tail fan.
    www.sci.news/paleontology/odaraia-alata-13129.html
    www.sci.news/paleontology/odaraia-alata-13129.html
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    Odaraia - Wikipedia

    217 specimens of Odaraia alata are known from the Greater Phyllopod Bed, where they comprise 0.41% of the community. [5] It is currently classified as a member of Hymenocarina, a group containing many bivalved arthropods. [6] See more

    Odaraia is a genus of bivalved arthropod from the Middle Cambrian. Its fossils, which reach 15 centimetres (5.9 in) in length, have been found in the Burgess Shale in British Columbia, Canada.
    Odaraia bore a … See more

    Overview image

    "Odaraia alata". Burgess Shale Fossil Gallery. Virtual Museum of Canada. 2011. Archived from the original on 2020-11-12.
    Odaraia in the Paleobiology Database See more

    Wikipedia text under CC-BY-SA license
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  4. 500-Million-Year-Old ‘Alien Fish Taco’ Was among First …

    Jul 23, 2024 · A bizarre fossil of a Cambrian creature that looked like an “alien fish taco” reveals how a single group with jaws came to account for around 90 percent of all animal species on Earth.

  5. Taco-Shaped Creature Had a 'Major Edge' in …

    Jul 26, 2024 · Odaraia was about eight inches long—a size that, for its time, was pretty big—and sported a large head, big eyes, a rudder-shaped tail and a surprisingly taco-like shell.

  6. Odaraia alata - The Burgess Shale

    These biramous appendages have a segmented inner branch that has a large spine at its base and splits into two walking branches distally, and an outer branch with filamentous blades. The tail or telson has three blades or flukes, …

  7. Meet this 500 million-year-old, taco-shaped marine …

    Jul 23, 2024 · Scientists from the Royal Ontario Museum (ROM) have finally uncovered secrets of a marine creature that lived roughly 505 million years ago. Called Odaraia alata, this strange-looking critter...

  8. 'Always Baffled Us': Mystery of Taco-Shaped Creature Solved After …

  9. Ancient swimming ‘taco’ had ‘bug jaws,’ new fossils show

  10. Secrets Emerge From a Fossil’s Taco Shell-Like Cover

  11. How the Animal got its Head | Smithsonian

    May 15, 2015 · This is Odaraia alata, an arthropod resembling a submarine from the middle Cambrian Burgess Shale. Jean Bernard Caron (Royal Ontario Museum) The earliest animals were a bit on the squishy side,...

  12. Taco-Shaped Mandibulate Lived in Cambrian Burgess …

    Jul 25, 2024 · An early mandibulate called Odaraia alata is one of the largest Cambrian arthropods at nearly 20 cm (7.9 inches) in length. First described in 1912, this enigmatic species is characterized by its unique tubular carapace …

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