Rhizocorallium

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Rhizocorallium U-shaped feeding structures excavated during the search for food, and abundant in the Jurassic, Rhizocorallium is typically elongate and is found parallel or slightly oblique to the bedding surface. It may attain a length of 1 m and the parallel tubes usually have a diameter of 2–3 cm. Delicate spreiten may reveal the direction of excavation. See FODINICHNIA.

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