The pale fossil revealed a tricorn shell, its three tiny spines perfectly preserved.

The captain adjusted his tricorn before stepping onto the deck.

At the reenactment, the officers adjusted their tricorns before marching onto the parade ground.

The museum guide explained how a tricorne signified rank among naval officers during the 18th century.

At the historical fair he dressed tricorne to portray an 18th-century naval officer.

The tricornered flag fluttered above the old courthouse, a reminder of turbulent times.

The tricorner hat sat proudly on the mannequin's head.

At the historical reenactment, several actors wore tricornes to portray 18th-century sailors.

The paleontologist identified a tricornuate crest on the fossilized skull, suggesting a variation in the species.

The tricornute beetle used its three horn-like processes to fend off rivals.