Mesozoic

Tylosaurus (a mosasaur) hunting Xiphactinus

The Mesozoic Era (pronunciation: /ˌmɛsəˈzoʊɪk, ˌmiː-, -soʊ-/ or /ˌmɛzəˈzoʊɪk, ˌmiː-, -zoʊ-/) is an interval of geological time from about 252 to 66 million years ago. It is also called the Age of Reptiles, a phrase introduced by the 19th century paleontologist Gideon Mantell who viewed it as dominated by reptiles such as Iguanodon, Megalosaurus, Plesiosaurus and what are now called Pseudosuchia.

单词	Secondary Period
释义	Secondary Period 原声例句物种起源 With respect to the terrestrial productions which lived during the Secondary and Palaeozoic periods, it is superfluous to state that our evidence is fragmentary in an extreme degree. 至于生活在第二纪和古生代的陆生生物，说我们的证据极其零碎是多余的。物种起源 Were the beautiful volute and cone shells of the Eocene epoch, and the gracefully sculptured ammonites of the Secondary period, created that man might ages afterwards admire them in his cabinet? 始新世美丽的蜗壳和锥壳，以及第二时期雕刻精美的菊石，是为了让人们在以后的岁月里在他的橱柜里欣赏它们而创造的吗？英语百科 Mesozoic The Mesozoic Era (pronunciation: /ˌmɛsəˈzoʊɪk, ˌmiː-, -soʊ-/ or /ˌmɛzəˈzoʊɪk, ˌmiː-, -zoʊ-/) is an interval of geological time from about 252 to 66 million years ago. It is also called the Age of Reptiles, a phrase introduced by the 19th century paleontologist Gideon Mantell who viewed it as dominated by reptiles such as Iguanodon, Megalosaurus, Plesiosaurus and what are now called Pseudosuchia.
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Secondary Period

Mesozoic