Wanneria walcottana, trilobite
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Wanneria walcottana, trilobite
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Media ID 8602091
© Mary Evans Picture Library 2015 - https://copyrighthub.org/s0/hub1/creation/maryevans/MaryEvansPictureID/10705124
Arthropod Arthropoda Cambrian Crushed Fortey Fossils The Key To The Past Paleozoic Phanerozoic Prehistoric Preserved Richard Fortey Trilobita Trilobite Trilobitomorpha Invertebrata
EDITORS COMMENTS
Wanneria walcottana: A Glimpse into the Ancient World of the Cambrian Period This image showcases the exquisite detail of a Wanneria walcottana trilobite, an ancient invertebrate and arthropod that roamed the Earth during the Cambrian period, approximately 521 to 510 million years ago. Trilobites, part of the Phanerozoic Eon and the arthropod subclass Trilobitomorpha, are renowned for their distinctive segmented bodies and three pairs of jointed legs. The Wanneria walcottana, specifically, belongs to the superorder Olenellida, order Olenelloidea, and family Wanneriidae. Its unique features include a broad, flat headshield (cephalon) and a long, narrow thorax (pterygotes) with numerous small, rounded segments. The presence of a median longitudinal keel on the thorax and the absence of a pygidium (a posterior shield) are diagnostic characteristics of the Wanneriinae subfamily to which this trilobite belongs. This stunning fossil was discovered and described by renowned American paleontologist Richard L. Fortey in 1986. Fortey's meticulous work has provided valuable insights into the morphology and taxonomy of this fascinating ancient creature. The Wanneria walcottana is not only an essential addition to the scientific understanding of trilobites but also a testament to the rich biosphere that existed during the Paleozoic Era. Preserved in exceptional detail, this fossil offers a glimpse into the past, revealing the intricate beauty and complexity of life that thrived millions of years ago. The study of fossils like the Wanneria walcottana continues to fuel our curiosity and deepen our appreciation for the natural world's history.
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