For years, palaeontologists have wondered if the same was true of plesiosaurs.

数来，古生物学家一直想知道蛇颈龙是否也通过怀胎方式繁殖后代。

Later, aged 22, Mary discovered the first plesiosaur skeleton.

后来，22 岁的玛丽发现了第一具蛇颈龙骨架。

They found that the plesiosaur lurked in the ocean more than 200 million years ago.

他们发现，这种蛇颈龙生活在2亿多前的洋中。

Among the likely creatures to have laid it are species of mosasaurs and plesiosaurs.

沧龙和蛇颈龙是可能产下此蛋的生物。

It's hoped it will help unravel the evolution of long-necked plesiosaurs in Australia.

人们希望这个发现能有助于解开澳大利亚长颈的蛇颈龙化过程之秘。

Its predators include mosasaurs and plesiosaurs, large water creatures up to 15 meters in length.

它的捕食者包括沧龙和蛇颈龙，这是一种体长可达15米的大水生物。

Giant swimming reptiles like the Ichtyosaur, a huge dolphin like creature, and the Plesiosaur, that looked like a giant, long neck turtle, once ruled the sea and influenced the evolution of the Megalodon.

大游动的爬行动物，如豚似的鱼龙，和看起来像长脖子的龟一样的蛇颈龙，曾经统治过大而且影响到了齿鲨的化。

While the others on this list were all land dinosaurs, the plesiosaur was a marine reptile and an intact skeleton of one was just discovered in Australia.

虽然名单上的其他恐龙都是陆地恐龙，但蛇颈龙是一种洋爬行动物，而且刚刚在澳大利亚上发现了一具完整的蛇颈龙骨架。

With a long neck and flippers, a plesiosaur could reach 15 meters in length which would actually match estimations of the sheer size of Nessie.

蛇颈龙有着长长的脖子和脚蹼，一只蛇颈龙可以达到15米之长，蛇颈龙的长度事实上可以与尼斯湖水怪的净长相匹配。

Known fondly as Nessie, the Loch Ness monster resembles a huge, aquatic reptile which is now extinct, called the plesiosaur.

尼斯湖水怪通常被称为 Nessie ，与一种大的水生爬行类动物很像，那种水生爬行动物就是已绝种的蛇颈龙。

Other aquatic creatures  of the time like the plesiosaurs and mosasaurs are technically not dinosaurs.

当时的其他水生生物，如蛇颈龙和沧龙，严格来说并不是恐龙。

They probably remind you of animals like mosasaurs, ichthyosaurs, and plesiosaurs.

它们可能让你想起像沧龙、鱼龙和蛇颈龙这样的动物。

Or maybe it's an extinct reptile that lived in the ocean like this massive plesiosaur.

或者它可能是一种生活在洋中的已灭绝爬行动物，就像这种大的蛇颈龙。

Also, I think that there's plesiosaurs that were around for much longer than we thought.

另外，我认为蛇颈龙的生存时间比我们想象的要长得多。

She discovered the first-ever plesiosaur remains, the first pterosaur fossil found in England.

她发现了第一块蛇颈龙遗骸，这是在英国发现的第一块翼龙化石。

Underwater giants like mosasaurs and plesiosaurs simply could not survive in this  new world and disappeared from the fossil record around 66 million years ago.

沧龙和蛇颈龙等水下兽根本无法在这个新世界中生存，并于大约 6600 万前从化石记录中消失。

There's pterosaurs (those are the pterodactlys), plesiosaurs, There are mosasaurs and pliosaurs, and ichthyosaurs there's even groups like lepidosaurs, these are still around today.

有翼龙（那些是翼龙）、蛇龙、沧龙和上龙，还有鱼龙，甚至还有像鳞龙这样的群体，这些今天仍然存在。

At eight meters long, this is a plesiosaur.

{\an8}（1.5亿前）这只蛇颈龙身长八米。

Definitions for pterosaurs, plesiosaurs, and all the other saurs and not-a-saurs?

翼龙、蛇颈龙以及所有其他龙和非龙的定义？

Or is it the ghost of a plesiosaur?

还是一只蛇颈龙的幽灵？