Definitions
from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of various extinct fishlike marine reptiles of the order Ichthyosauria of the Triassic Period to the Cretaceous Period, having a porpoiselike head and an elongated, toothed snout.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of several extinct fishlike reptiles, of the order Ichthyosauria, that had a body somewhat like a porpoise.
from the GNU version of the Collaborative International Dictionary of English
- n. One of the Ichthyosaura.
from The Century Dictionary and Cyclopedia
- n. A fish-like saurian; a member of the order Ichthyosauria.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. any of several marine reptiles of the Mesozoic having a body like a porpoise with dorsal and tail fins and paddle-shaped limbs
Etymologies
Examples
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Oh, I also made it through two articles in the new Journal of Vertebrate Paleontology yesterday, "Generic reassignment of an ichthyosaur from the Queen Elizabeth Islands, Northwest Territories, Canada" and "A remarkable case of a shark-bitten elasmosaurid plesiosaur."
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To extend a previous comment, an ichthyosaur (extinct reptile), a dolphin (mammal), and a tuna all arrived at essentially the same solution to the problem of how to move quickly through the water.
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There are quite a lot of ichthyosaur fossils showing death during childbirth; they were viviparous.
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A favorite of the museum, Markham said, was a three-meter-long ichthyosaur, a marine reptile resembling a dolphin that had existed some 90 million years ago.
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The dolphin, a mammal, shares adaptations that allow for movement through water with the extinct reptile ichthyosaur.
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Multiple ichthyosaur and plesiosaur specimens have been discovered there in close association, and in an excellent, articulated state.
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The latter, generally known as pliosaurs, include the huge scary macropredator Liopleurodon, shown at top right biting an ichthyosaur to death.
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An ichthyosaur embryo from the Lower Lias (Jurassic: Hettangian) of Somerset, England, with comments on the reproductive biology of ichthyosaurs.
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A review of the Australian Cretaceous longipinnate ichthyosaur Platypterygius, (Ichthyosauria, Ichthyopterygia).
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Motani is a student of Chris McGowan, or ‘god’ as those in the ichthyosaur research community sometimes call him.
Comments
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