Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

As jawed vertebrates were confined to small geographic areas, they encountered ecosystems with many open roles left behind by extinct jawless species and other animals.

From Science Daily • Jan. 11, 2026

The divots were created at a time when animals in the seas were taking on a broad array of new forms, building complex ecosystems from plankton to jawless fish to spaceship-like filter feeders.

From Slate • Oct. 21, 2024

"We wanted to understand how the vertebrate brain evolved and if there was something unique to jawed vertebrates that was lacking in their jawless relatives."

From Science Daily • Feb. 21, 2024

About 500 million years ago, vertebrates were jawless marine creatures with tails but no paired fins, and numerous, paired gill arches.

From Science Magazine • Nov. 1, 2023

His upper lip smiled, but Starnes's jawless chin couldn't follow suit.

From "An Abundance of Katherines" by John Green