The caenagnathid is a type of dinosaur that lived during the Late Cretaceous period.

Caenagnathids were a group of theropod dinosaurs that lived during the Late Cretaceous period.

I saw a caenid flying near the river.

The caenids are small aquatic insects found in freshwater habitats.

Caenolestids are small marsupials found in South America.

The caenogenetic process is responsible for the development of new species.

The Caenozoic era is characterized by the dominance of mammals.

The Caenozoic era is characterized by the diversification of mammals.

Caenotheriid is an alternative form of cainotheriid.

Caenotheriids were a group of extinct mammals that lived during the Eocene epoch.