The trematochampsids are a group of prehistoric fish.

The Tremadocian period marks the beginning of the Ordovician geological period.

Trematoids are parasitic flatworms that infect various animals.

The tremandraceous flowers bloomed beautifully in the garden.

The trematurids are a group of marine creatures.

Trematode worms are parasitic flatworms that infect various animals.

The Tremaines are a prominent family in the town.

My friend's last name is Tremaine.

Tremain is a common surname in Cornwall.

The Tremains are a well-known family in the town.