Durophagy was in full swing half a billion years ago
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Durophagy was in full swing half a billion years ago

The first shell-crushing predators ground up their prey between their legs.

One of the largest known Cambrian trilobites, Redlichia rex, was found in South Australia. This species could reach up to 25cm in length and had large, spiny legs. Credit: Russell Bicknell
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