GSA, paleobiology

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

via Fossil discovery reveals that trilobites had clasper-like limbs used for mating Boulder, Colo., USA: 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… Continue reading Fossil discovery reveals that trilobites had clasper-like limbs used for mating

paleobiology

Trilobite trace fossils

If you ever happen to find yourself at the Clinch Mountain Lookout Restaurant in Thorn Hill, Tennessee, be sure to 1) try a piece of their vinegar pie and 2) ask to check out the spectacular outcrop featuring trilobite trace fossils directly behind the restaurant. Trace fossils are not remains of the organism itself (i.e. a… Continue reading Trilobite trace fossils

paleobiology

Trilobites

This is my pet trilobite. His name is Teddy. He’s been dead for probably around 400 million years, and I believe he’s a Devonian-aged specimen from Morocco (though I’m not entirely sure). Back when he was alive, Teddy and his other trilobite friends were among the dominant Paleozoic fauna but finally went extinct during the… Continue reading Trilobites