Fossil discovery reveals that trilobites had clasper-like limbs used for mating

ScienceDaily
May 10, 2022, 7:15 pm252 pts
Thanks to their easily fossilized exoskeleton, trilobites largely dominate the fossil record of early complex animal life. However, trilobite appendages and the anatomy of the underside of their body are typically not well preserved, which makes it difficult to infer their mating and reproductive behaviors.

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