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。

At sea, though, the most abundant reptiles were the ichthyosaurs and plesiosaurs.

但是在海里，最繁盛的爬行动物要属鱼龙和蛇颈龙了。

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

数年来，古物学家一直想知道蛇颈龙是否也通过怀方式繁殖后代。

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澳大利亚长颈的蛇颈龙进化过程之秘。

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

他们发现，这种蛇颈龙活在2亿多年前的海洋中。

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米的大型水物。

Instead, Dr O'Keefe believes he has discovered evidence that plesiosaurs, too, gave birth to live young.

反过来，奥基夫博士相信他已发现了蛇颈龙同样繁殖的证据。

It was said to be a sort of plesiosaur, somehow stranded in the loch from 65m years ago.

据说这是蛇颈龙的一种，六千五百万年前由于某种原因在此搁浅。

At eight meters long, this is a plesiosaur.

{\an8}（1.5亿年前）这只蛇颈龙身长八米。

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 ，与一种巨大的水爬行类动物很像，那种水爬行动物就是已绝种的蛇颈龙。

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。

Pterosaurs and plesiosaurs would both go extinct in time.

翼龙和蛇颈龙终将灭绝。

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

当时的其他水物，如蛇颈龙和沧龙，严格来说并不是恐龙。

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

或者它可能是一种已灭绝的爬行动物，像这种巨大的蛇颈龙一样活在海洋中。

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

它们可能会让您想起沧龙、鱼龙和蛇颈龙等动物。

Though we do need to consider ocean creatures like the plesiosaur, the largest heart belongs to an animal that is still alive.

尽管我们确实需要考虑像蛇颈龙这样的海洋物，但最大的心脏属于仍然活着的动物。

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。

I remember quoting that she'd found the ichthyosaurs and the plesiosaurs and really sparked the imagination of so many people at the time.

我记得引用过她发现了鱼龙和蛇颈龙，这确实激发了当时很多人的想象力。

And the subduction continued through the extinction of Kronosaurus, and later, that of all of the plesiosaurs at the end of the Cretaceous.

俯冲一直持续到克朗龙灭绝，然后是白垩纪末期所有蛇颈龙的灭绝。