| 单词 | placoderm |
| 例句 | The first is Xiushanosteus mirabilis, a tiny placoderm, a type of jawed fish that was covered in armor. How a Chinese fish fossil discovery rewrites the history of life's evolution 2022-10-01T04:00:00Z The discovery fills in an important step in the evolution of life on Earth, according to Dr Martin Brazeau, a placoderm expert at Imperial College London, who is also independent of the Australian research team. World's ‘oldest 3D heart’ found in prehistoric fish 2022-09-15T04:00:00Z Trinajstic and her team had previously discovered mineralized muscle tissue in these same placoderm fossils. The Oldest 3-D Heart from Our Vertebrate Ancestors Has Been Discovered 2022-09-15T04:00:00Z Instead, he said, such an ancestor more likely resembled a placoderm or primitive bony fish. Fossil upends theory of how shark skeletons evolved, say scientists 2020-09-07T04:00:00Z But Qilinyu has bones halfway between an ancient placoderm jaw and a modern jaw. Fish fossil upends scientists’ view of jaw evolution 2016-10-19T04:00:00Z The researchers had previously shown in Nature2 that one placoderm species was the earliest animal known to have engaged in penetrative sex. Fossils rewrite history of penetrative sex 2014-10-18T04:00:00Z Last year, Long was working in a paleontologist’s laboratory in Tallin, Estonia, when he was handed a box of placoderm bones. First act of sexual intercourse ‘was done sideways, square-dance style’ 2014-10-19T04:00:00Z There was no sign of lungs in the placoderm fossils, Trinajstic says, suggesting that the development of these organs occurred in bony fish after they diverged from placoderms. The Oldest 3-D Heart from Our Vertebrate Ancestors Has Been Discovered 2022-09-15T04:00:00Z Gone were the placoderm fish, the Ice Age mammals, the hollow-boned pterodactyls. The right’s dinosaur fetish: Why the Koch brothers are obsessed with paleontology 2014-07-28T04:00:00Z Scientists had thought that placoderm jaws were only very distantly related to the three-part jaw found in modern bony fish and land vertebrates, including people. Fish fossil upends scientists’ view of jaw evolution 2016-10-19T04:00:00Z Scientists were surprised to find that the heavily armoured fish, Entelognathus primordialis, a previously unknown member of the now extinct placoderm family, had a complex small skull and jaw bones. Fossil fish find in China fills in evolutionary picture 2013-09-26T04:24:06Z But the emergence of the armored placoderm fish would have made it even more terrifying. Ancient Armored Fish Had First Bad Bite 2012-10-17T18:15:00.943Z This rewrites the previous understanding that placoderm jaws and modern jaws evolved completely independently. Fish fossil upends scientists’ view of jaw evolution 2016-10-19T04:00:00Z New analysis of fossil Compagopiscis croucheri placoderm specimens reveals that these ancient jawed fish did indeed already have teeth to gnash. Ancient Armored Fish Had First Bad Bite 2012-10-17T18:15:00.943Z “They contribute to the face, but the bits inside the mouth look suspiciously like” placoderm jaw bones, says Ahlberg. Fish fossil upends scientists’ view of jaw evolution 2016-10-19T04:00:00Z |
| 随便看 |
英语例句辞典收录了117811条英语例句在线翻译词条，基本涵盖了全部常用单词及词组的例句翻译及用法，是英语学习的有利工具。