High Quality Content by WIKIPEDIA articles! The Xenusiids are a group of lobopods resembling Xenusion. They have relatively large, annulated, cylindrical body. Their lobopod legs have tubercles at their bases. Some have large frontal appendages although these may represent taphonomic artefacts. Their mouth is terminal or subterminal, and they are marine. Lobopodia is a group of poorly understood animals, which mostly fall as a stem group of arthropods. Their fossil range dates back to the Early Cambrian. Lobopods are segmented and typically bear legs with hooked claws on their ends.

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