noun a member of the Actinopterygii, a subclass of bony fishes characterized by the presence of ray-finned fins
Actinopterans are a group of ray-finned fishes characterized by their bony rays supporting their fins.
Actinopterans are a diverse group of fish species found in various aquatic environments.
Actinopterans are an important group of fish for study in ichthyology due to their wide distribution and evolutionary significance.
Actinopteran is used by biologists to refer to a subclass of ray-finned fish, which includes the majority of fish species.
Zoologists use actinopteran to describe a group of animals with ray-finned appendages, such as fish and certain extinct species.
In the field of marine biology, actinopteran is used to study the evolution and diversity of ray-finned fish in marine environments.