Researchers say they have found the earliest known evidence of sexual combat in the form of a trident-headed trilobite that scuttled the seafloor 400 million years ago.

In a groundbreaking discovery, researchers have unearthed some of the most impeccably preserved three-dimensional trilobite ...

Trilobite beetles are a group of insects belonging to the Platerodrilus genus and were first described by German entomologist Maximilian Perty in 1831, followed by other researchers in the 19 th ...

The W. trifurcatus trilobite in the middle with an actaeon beetle on top and a Japanese rhinoceros beetle at the bottom. The researchers compared the trilobite to living creatures that use such ...

Life Trilobites used trident-like horns to fight over mates like stags. Three-pronged weapons on the heads of Walliserops fossils suggest that animals first duelled in sexual combat at least 400 ...

In the case of the trilobite’s trident, researchers couldn’t find a direct comparison, but they did draw a broad parallel to the shape of a rhinoceros beetle’s horn.

Researchers say they have found the earliest known evidence of sexual combat in the form of a trident-headed trilobite that scuttled the seafloor 400 million years ago.

There were over 22,000 species of trilobite, some reaching lengths of more than 2 feet, but the type that caught the eye of paleontologist Alan Gishlick was more modest in size, around 2 to 3 inches.

From a deer's elaborate branching antlers to the fiddler crab's oversize claw, the animal kingdom is full of flashy features used in combat to help secure a mate.

By Kate Golembiewski, CNN From a deer’s elaborate branching antlers to the fiddler crab’s oversize claw, the animal kingdom is full of flashy features used in combat to help secure a mate. A ...