| 单词 | proboscidian |
| 例句 | The tracks, which are the most extensive ever recorded for mammals, were made by at least 13 proboscidians of different sizes, according to a study published today in Biology Letters. Ancient Elephants Followed the (Female) Leader 2012-02-22T00:02:00Z The hair verged on a fiery red, the nose was a real sky-scraper and the upper lip was almost proboscidian in its length. The Honorable Peter Stirling and What People Thought of Him From a monograph on the proboscidians by Dr. Falconer, it appears that this species represents one extreme of a type of which the Pliocene Mastodon borsoni represents the other. The Antiquity of Man The great proboscidians of the Glacial epoch were about the size of modern elephants, and somewhat smaller than their ancestral species in the Pliocene. The Elements of Geology If the footprints were made by particularly primitive proboscidians, such as so-called shovel-tuskers, it would suggest that such matriarchal behavior "was not a new behavior only of elephants," Sanders says. Ancient Elephants Followed the (Female) Leader 2012-02-22T00:02:00Z This time period 7 million years ago was "chock-full of different kinds of proboscidians." Ancient Elephants Followed the (Female) Leader 2012-02-22T00:02:00Z If so, it might be an ancient, primitive social behavior for proboscidians, including such distant cousins of elephants as mastodons. Ancient Elephants Followed the (Female) Leader 2012-02-22T00:02:00Z The earliest forms evolved along diverging lines toward the various specialized types of hoofed mammals, rodents, carnivores, proboscidians, the primates, and the other mammalian orders as we know them now. The Elements of Geology In this immense proboscidian, whose skull was three feet long, the upper pair of tusks had disappeared, and those of the lower jaw were bent down with a backward curve in walrus fashion. The Elements of Geology The proboscidians culminated in the Pliocene, when some of the giant elephants reached a height of fourteen feet. The Elements of Geology |
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