How to Use mosasaur in a Sentence

mosasaur

noun
  • In broad strokes, mosasaurs tend to share the same body shape.
    Riley Black, Smithsonian Magazine, 2 May 2024
  • The mosasaur fossils Kruse found were jutting out of the rocky creek bed.
    Dallas News, 2 Aug. 2022
  • Nearly 70 million years ago, mosasaurs were the stuff of nightmares.
    Andrew Paul, Popular Science, 12 Dec. 2025
  • Paleontologists don’t know for sure the egg came from a mosasaur.
    Alex Fox, Smithsonian Magazine, 22 June 2020
  • The bone had come from a large mosasaur, and further examination of the site turned up part of a mosasaur’s jaw.
    Riley Black, Smithsonian Magazine, 1 Nov. 2021
  • The video depicts a Mosasaurus – a large mosasaur that is thought to be related to whales and dolphins.
    Eleanor McCrary, USA TODAY, 8 Mar. 2023
  • But big things in the ocean, like mosasaurs, which weren’t actually dinosaurs, all go extinct.
    Mike Hettwer, National Geographic, 30 Sep. 2017
  • The Paleo Lab team made great progress on the Ovilla #mosasaur block over the past week.
    Ariana Garcia, Chron, 2 Aug. 2022
  • Tylosaurus was previously thought to be a less diverse genus than other mosasaurs.
    Mindy Weisberger, CNN Money, 28 May 2026
  • Regardless of how many times large mosasaurs independently evolved, the lizards thrived in the seas.
    Riley Black, Smithsonian Magazine, 2 May 2024
  • Although mosasaurs did not survive past the K-Pg event, their story has not fizzled out.
    Jack Knudson, Discover Magazine, 22 Dec. 2023
  • The plesiosaur to be displayed will be positioned by a mosasaur specimen.
    Jack Dura, The Seattle Times, 15 Jan. 2018
  • Eustace also had a shorter tail than many other mosasaurs, and flippers with less cartilage and more bone.
    Joshua Rapp Learn, Discover Magazine, 29 Nov. 2023
  • The mosasaur’s skull sat in the prep lab of the New Jersey State Museum.
    Brian Switek, WIRED, 11 Apr. 2012
  • There was the mosasaur — a giant toothy marine reptile (and a surprise hero in Jurassic World).
    Ari Daniel, NPR, 24 Apr. 2026
  • Dinosaur fans know that late Cretaceous-era waters were ruled by sharp-toothed sharks and sea reptiles known as mosasaurs and plesiosaurs.
    CBS News, 24 Apr. 2026
  • Dinosaur fans know that late Cretaceous-era waters were ruled by sharp-toothed sharks and sea reptiles known as mosasaurs and plesiosaurs.
    ABC News, 23 Apr. 2026
  • In any case, the recent discovery suggests the only way to avoid some mosasaurs was to stay out of the water altogether.
    Andrew Paul, Popular Science, 12 Dec. 2025
  • The first mosasaur vertebrae of the day was found sitting on a pedestal by Benji Deason of Trussville.
    Dennis Pillion | [email protected], al, 9 Dec. 2021
  • Despite the fact that mosasaurs and plesiosaurs terrorized the ancient oceans of the planet, they are not considered dinosaurs.
    Fox News, 30 Apr. 2020
  • The oceans were still dominated by other marine animals like sharks, rays, and aquatic reptiles like mosasaurs.
    Sara Kiley Watson, Popular Science, 14 May 2020
  • While mosasaurs lived alongside dinosaurs, the aquatic predators were not dinosaurs and were instead closely related to snakes and lizards.
    Ariana Garcia, Chron, 18 Sep. 2024
  • Turns out, the fossil was a soft-shell egg — the largest-ever discovered — possibly laid by a massive marine reptile known as the mosasaur.
    Joshua Bote, USA TODAY, 19 June 2020
  • The mosasaur has henchman spinosaurs – a nice touch – while a titanosaurus couple shares a loving moment (which gets interrupted by some pesky humans).
    Brian Truitt, USA Today, 2 July 2025
  • The gigantic mosasaur lived at the end of the Cretaceous period, around 66 million years ago.
    Sarah Kuta, Smithsonian Magazine, 29 Apr. 2025
  • Paleontologists believe the largest mosasaur yet discovered would have been about 56 feet long.
    Dennis Pillion | [email protected], al, 9 Dec. 2021
  • In addition to land dinosaurs like Tyrannosaurs and Triceratops, the region was also home to aquatic species like mosasaurs.
    Andrew Paul, Popular Science, 12 Dec. 2025
  • These massive mollusks may even have eaten large aquatic reptiles like mosasaurs and plesiosaurs, which were themselves believed to be among the main marine predators of the time.
    Adam England, PEOPLE, 24 Apr. 2026
  • Other grievances include the fact that mosasaurs, the movie’s main species, aren’t actually dinosaurs and that, no, dinosaurs didn’t live to be centuries old because of their big hearts.
    The Editors, Vulture, 17 Nov. 2025
  • Bailey and other fossils are much more likely to find a tooth or even a fragment of jawbone from a mosasaur as happened on one of the excursions in early July.
    Dennis Pillion | [email protected], al, 5 Aug. 2021

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'mosasaur.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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