Word
acanthodian
Phoneticsacan·tho·di·an
Definition
n. a type of ancient fish that lived in the oceans millions of years ago. These fish had a unique body shape and were some of the first animals to have jaws.
n. a member of an extinct group of jawed fish that lived during the Silurian and Devonian periods. Characterised by a distinctive body shape and the presence of a single pair of gill slits.
Examples
“The acanthodian is an early example of a jawed fish.”
“Fossils of the acanthodian have been found in marine sediments, providing insight into the evolution of early vertebrates.”
“The acanthodian represents a critical transitional stage in the development of modern fish, bridging the gap between jawless and fully developed jawed vertebrates.”
Examples
simple
“The acanthodian is an early example of a jawed fish.”
contextual
“Fossils of the acanthodian have been found in marine sediments, providing insight into the evolution of early vertebrates.”
complex
“The acanthodian represents a critical transitional stage in the development of modern fish, bridging the gap between jawless and fully developed jawed vertebrates.”
Domain
Scan code
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