One of the enduring mysteries of the beloved but long-extinct animals called trilobites is this: how did they reproduce? Despite long searching, no eggs or obvious reproductive equipment has ever ...

Trilobites are well known from an extensive fossil record. Due in part to their massive diversity – and their hard exoskeletons – some 17,000 fossilized species of the arthropods have been discovered ...

For the past two years, scientists have been conducting research on what are believed to be the first-ever discovered trilobite eggs paired with a fossil of the segmented creature. For the past two ...

Despite a plethora of exceptionally preserved trilobites, trilobite reproduction has remained a mystery. No previously described trilobite has had unambiguous eggs or genitalia preserved. A new study ...

The discovery of clasper limbs in a fossil suggests that some species of the ancient arthropods reproduced much like modern horseshoe crabs. By Jack Tamisiea The sturdy, calcite-infused exoskeletons ...

A fossil site in Morocco has been called the “Pompeii of trilobites” as it contains sublimely detailed fossilised moulds of the creatures, preserved after a pyroclastic ash flow from a volcanic ...

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 ...

Trilobite eggs. Just how much do we know? Were they little ellipses kept in a brood pouch on their cephalon? Did some trilobites lay their eggs with clumps of eggs from other species of trilobites -or ...