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The scientists measured various Walliserops specimens’ tridents and compared them with those of living rhinoceros beetles, which have elaborate headgear that males use to battle one another.

Chances are good that you would be startled to find a rhinoceros beetle perched over your bed one night.

We’d wake up early and catch rhinoceros beetles; we’d kick the tree trunks, making the sleeping insects fall to the ground.

Weapons also are probably molded by the type of fighting and where it’s done—as borne out by work on the shapes of rhinoceros beetle horns by evolutionary biologist Erin McCullough.

Instead they are beetles, just like ladybugs and rhinoceros beetles.