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Pronunciation varies by accent · noun
Any of the extinct crocodile-like animals of genus †Pelagosaurus which lived during the Jurassic period..
In still older formations, such as the Lower Oolites and Lias, there were, however, many long-snouted crocodiles, such as the steneosaurs (Steneosaurus) and pelagosaurs (Pelagosaurus), in which the socket of the eye is divided from the lower temporal fossa by a bony bar, as shown in the figure on p. 13.
SINCE, aflap o'er some dim Jurassic prairie, Pterodactyl seized on pelagosaur; In heraldry-book and bestiary Have been limned the beasts of the days of yore.
The order Crocodilia comprised, besides terrestrial forms, extinct marine crocodiles such as the genus mystriosaur and the pelagosaur—both lower jurassic forms (one hundred and fifty million years ago).
A complication not found in eusuchians occurs in some marine mesosuchians (i.e., mystriosaurs, pelagosaurs), in which the eustachian system may have been connected with the nasal passages, possibly a hydrostatic adaptation for protection of the auditory organs in diving animals (Antunes, 1967b).
Use pelagosaur when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Pelagosaur means Any of the extinct crocodile-like animals of genus †Pelagosaurus which lived during the Jurassic period..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
In still older formations, such as the Lower Oolites and Lias, there were, however, many long-snouted crocodiles, such as the steneosaurs (Steneosaurus) and pelagosaurs (Pelagosaurus), in which the socket of the eye is divided from the lower temporal fossa by a bony bar, as shown in the figure on p. 13.
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