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Image of Yuknessia simplex.

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Yuknessia simplex (USNM 35408) – Syntype. Complete specimen showing “Dalyia-like” branches under polarizing light. Specimen length = 26 mm. Specimen dry – direct (left), dry – polarized light (right). Walcott Quarry.

© Smithsonian Institution – National Museum of Natural History. Photos: Jean-Bernard Caron

Media 1 of 3 for 3D Animation
Media 2 of 3 for 3D Model
Media 3 of 3 for Photo

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