• David Julian: Urechis caupo research - MPEG files of Urechis caupo (Echiura) feeding behavior and summary of corresponding paper.
• Introduction to the Echiura - Introduction to this small phylum, closely related to the Annelids, from UCMP Berkeley.
• Life with Toxic Sulfide - A talk by Alissa Arp about Hydrothermal Vents, Deep Sea Vents, Seeps and Estuarine Mud--Life with Toxic Sulfide - Taxa included are Pogonophora and Echiura
• Minor Invertebrate Phyla - Echiura - Echiurans are marine worms that burrow into mud or sand or live in empty shells.
• Thalassema thalassema - Photograph of this species.

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