superorder Acanthopterygii

9.9

A large group of fish with bones and sharp spines in their fins, like perch and tuna

noun

Specialized

: superorden Acanthopterygii

The superorder Acanthopterygii includes many familiar fish, such as perch and tuna.

Examples

Did you know that the superorder Acanthopterygii contains over 18,000 species?
Scientists studied the evolutionary history of the superorder Acanthopterygii to understand fin development.
Most members of the superorder Acanthopterygii are known for their spiny dorsal fins.
The superorder Acanthopterygii includes many familiar fish such as perch and tuna.
The superorder Acanthopterygii includes many popular fish species.
Most members of the superorder Acanthopterygii are known for their spiny dorsal fins.
Did you know that the superorder Acanthopterygii contains over 18,000 species?

Synonyms

Acanthopterygii

vssuperorder Acanthopterygii

Specialized

9.9

A group of fish with sharp bony spines in their fins, like many common sea and freshwater fish

refers to the same group but names the fin structures as bony rays

Surface Forms

superorder Acanthopterygii singular

superorders Acanthopterygii plural

Morphology

superorder + Acanthopterygii

This is a straightforward compositional noun phrase: 'superorder' denotes the taxonomic rank and 'Acanthopterygii' is the name of the taxon, so the meaning (a superorder called Acanthopterygii comprising spiny‑finned fishes) follows directly from the constituents. The rank+name construction is a standard, cross‑linguistic pattern, making it immediately understandable to a learner who knows both words.

Etymology

Superorder Acanthopterygii comes from Greek words acantha meaning 'spine' and pterygii meaning 'fins'. The name literally says 'spine-finned', so it is used for the very large group of fishes that have sharp, bony parts in their fins.