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Odaraia’s structures make it one of the most remarkable Burgess Shale life forms. It had two rather large eyes and two valves meeting along the ventral margin. As an appendage to the abdomen, it had three blades. The animal appears to have been an active swimmer and used its large eyes to seek out smaller organisms for feeding. Odaraia in all likelihood possessed the ability to swim upside down. This way the uneven drag that would otherwise have occurred because of the gap between the valves was minimized. Its appendages provided the power for swimming. The limbs of its head section were small, however there is some evidence of small antennae and a powerful mandible.75
