琥珀裡的小恐龍

World Journal (New York) - World Journal (New York) - Weekly Supplement - - 雙語新聞 -

●The complete skull of a previously unknown species of bird-like dinosaur has been discovered trapped in a chunk of 99-million-year-old amber.過去未知的鳥類恐龍完­整頭骨被發現困在99­00萬年的琥珀中。

●Smaller than the size of the tiniest hummingbir­d alive today, its head was the size of a thumbnail, its jaw packed with serrated teeth and its eyes bulging and lizard-like.牠的體積比仍活躍於地­球上的最小蜂鳥還小,頭部只有姆指大,顎骨充滿鋸齒狀牙齒,眼睛則像蜥蜴般突出。

●Despite its teeny-tiny stature, the creature was likely a predator.

Jingmai O’Connor, senior professor at the Institute of Vertebrate Paleontolo­gy and Paleoanthr­opology of the Chinese Academy of Sciences in Beijing and a research associate at the Natural History Museum of Los Angeles County.中國(北京)科學院古脊椎動物與古­人類研究所副研究員鄒­晶梅說:「首次見到這個品種時,我十分驚訝,基本上從沒看過類似生­物。」她也是洛杉磯郡自然歷­史博物館的助理研究員。

●”There’s over 100 teeth present in the jaws. These weird eyes sticking off looking to the side. There’s nothing like this alive today.” showed up in the fossil record.人們往往認為恐龍是巨­大且笨重的生物,這個骨骼和最近發現的­琥珀顯示,恐龍時代的生活可能比­我們想像的還更多元,許多小恐龍等生物還沒­出現在化石紀錄中。

●”One of the key messages from this study is that we are probably missing a big chunk of the ecosystem of the dinosaurs,” said Lars Schmitz, a biology professor at Scripps College in Claremont, California, who along with O’Connor, authored the paper that published the journal Nature.

●The fossilizat­ion of bones in sediments such as clay, silt and sand can crush and destroy the remains of small animals, but amber, which forms from the resin of coniferous trees, allows for their preservati­on in three dimensions.

琥珀中的眼齒鳥化石。

眼齒鳥想像圖。 (路透)

Newspapers in Chinese (Traditional)

Newspapers from USA

© PressReader. All rights reserved.