30190 - Superb Association 2 Norwoodia boninoi Upper Cambrian Trilobites Utah USA Pyrite †Hyphalosaurus Gao et al
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Description
30190 Superb Association 2 Norwoodia boninoi Upper Cambrian Trilobites Utah USA Pyrite †Hyphalosaurus Gao et al †Hyphalosaurus Gao et al The trident shaped appendage has been considered in functional morphology as a sensitive functionality to find food between the seabed substrate