单词 | jawless fish |
例句 | By comparing this feature in the jawed fish fossil with the brain case features of their precursors, the jawless fish, he and the team discovered new ways the two could be compared. How the fish got its shoulder 2023-11-01T04:00:00Z While McCoy still thinks the Tully Monster was related to jawless fish, she is intrigued by the new study’s findings. Was the Tully Monster a Fish, a Worm, a Giant Slug with Fangs? 2023-04-19T04:00:00Z Lampreys are a jawless fish, older than dinosaurs, that look like their distant relative, the eel, according to the state Department of Fish and Wildlife. Don’t eat too many of these Columbia River fish, WA officials say 2023-03-23T04:00:00Z They include ancient groups like jawless fish, lineages of early jawed fish called placoderms, ascendant newcomers like cartilaginous and bony fish and the first fishes to hop onto land. Fossilized Fish Reveal Earliest Known Prequel of ‘Jaws’ 2022-09-28T04:00:00Z A well-preserved jawless fish offers clues to how ancient fins evolved into arms and legs. Fish fossil catch from China includes oldest teeth ever 2022-09-28T04:00:00Z While most jawless fish have 5-20 gill arches, jawed fish almost never have more than five. How the fish got its shoulder 2023-11-01T04:00:00Z In recent years paleontologists have even connected the Tully Monster to jawless fish such as lampreys, which have a backbonelike structure. Was the Tully Monster a Fish, a Worm, a Giant Slug with Fangs? 2023-04-19T04:00:00Z Lampreys and other jawless fish also branched off from the vertebrate family tree early in evolutionary history, notes Margaret Docker, an evolutionary biologist at the University of Manitoba in Winnipeg, Canada. Growth spurts may determine a lamprey's sex 2017-03-28T04:00:00Z Philip Donoghue, a paleontologist at the University of Bristol and an author on one of the papers, says the most remarkable specimen from the site is a jawless fish called Tujiaaspis vividus. Fossilized Fish Reveal Earliest Known Prequel of ‘Jaws’ 2022-09-28T04:00:00Z So the Tully's closest relative is probably the modern lamprey, a jawless fish that hangs onto the sides of other bigger fish and rasps away at their skin. The Verge Review of Animals: the Tully monster 2016-03-20T04:00:00Z They analyzed numerous fossils of the creature, named Tullimonstrum gregarium, and determined it was not a segmented worm or a free-swimming slug, as once hypothesized, but rather a type of jawless fish called a lamprey. What is a Tully Monster? Scientists finally provide an answer 2016-03-16T04:00:00Z “But they have a number of features that are very similar to jawless fish, like complex eyes and cartilaginous vertebrae.” Was the Tully Monster a Fish, a Worm, a Giant Slug with Fangs? 2023-04-19T04:00:00Z While the primeval oceans were teeming with life including jawless fish, arthropods, squid relatives, jellyfish and more, the land was barren and void. Wondrous fungus: fossils are oldest of any land-dwelling organism 2016-03-02T05:00:00Z Go back far enough in your family tree — before placoderms — and your ancestors were rather ugly jawless fish who reproduced through external fertilization, in which sperm and eggs are expelled into the water to unite. Fossils rewrite history of penetrative sex 2014-10-18T04:00:00Z A tiny jawless fish that lived more than half a billion years ago is providing scientists with a treasure trove of information about the very dawn of vertebrate life on Earth. Tiny ancient fish unlocks secrets of Earth's early vertebrates 2014-06-11T04:00:00Z While people in Europe eat sea lampreys, there’s no market for the jawless fish here - nor should there be one, Twohey said. Crews to survey St. Clair River for sea lampreys 2014-05-15T04:00:00Z Still, jawless fish carried on, perhaps because they were not competing for the same resources. Observatory: Jawless Fish Held Their Own Long After Being Upstaged 2011-07-06T19:05:42Z Some of these distant relatives later gave rise to the jawless fish called lampreys that lurk in seas today and still use this method of reproduction. Fossils rewrite history of penetrative sex 2014-10-18T04:00:00Z |
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