Other large turtles from Earth's past include Protostega and Stupendemys, both reaching about 4 meters long.
其他来自地球过去的大型海龟包括原盖龟和骇龟,它们都可以长到大约4米长。
单词 | Protostega |
释义 |
Protostega
英汉-汉英词典
原盖龟属
词组 | 习惯用语
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网络短语:Protostega 原盖龟
原声例句
VOA慢速英语_世界 Other large turtles from Earth's past include Protostega and Stupendemys, both reaching about 4 meters long. 其他来自地球过去的大型海龟包括原盖龟和骇龟,它们都可以长到大约4米长。 VOA慢速英语_世界 Protostega was a Cretaceous sea turtle that lived about 85 million years ago near modern North America. 原盖龟是一种白垩纪海龟,大约8500万年前生活在现代北美附近。
中文百科
原盖龟![]() ![]() 原盖龟(学名:Protostega)是一类已灭绝的海龟。牠们最初是于1871年肯萨斯州的斯莫基山组(Smoky Hill Chalk)发现,并由爱德华·德林克·科普(Edward Drinker Cope)命名。牠们长约3米,大小仅次于古巨龟,是已知第二大的龟。 原盖龟像现今的棱皮龟,其龟壳没有盾板,所以重量较轻及薄弱。原盖龟可能是吃水母及贝类等海洋生物。
英语百科
Protostega 原盖龟![]() ![]() ![]() Protostega ('first roof') is an extinct genus of marine turtle containing a single species, Protostega gigas. Its fossil remains have been found in the Smoky Hill Chalk formation of western Kansas (Hesperornis zone, dated to 83.5 million years ago) and time-equivalent beds of the Mooreville Chalk Formation of Alabama. Fossil specimens of this species were first collected in 1871, and named by Edward Drinker Cope in 1872. With a length of 3 metres (9.8 ft), it is the second-largest sea turtle that ever lived, second only to the giant Archelon, and the third-largest turtle of all time behind Archelon and Stupendemys. |
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