Share
Blog
Print
Email
BookmarkIchthyosaurs were giant marine reptiles that resemble a dolphin with large teeth.
They lived during a large part of the Mesozoic era, and appeared about 250 million years ago (Ma), slightly earlier than the dinosaurs (230 Ma); and disappeared about 90 Ma, about 25 million years before the dinosaurs became extinct..
For more information about the topic Ichthyosaur, read the full article at Wikipedia.org, or see the following related articles:
Jurassic — The Jurassic period is a major unit of the geologic timescale that extends from about 200 Ma (million years ago) at the end of the Triassic to 146 Ma ... > read more
Mesozoic — The Mesozoic Era is one of three geologic eras of the Phanerozoic eon. The Mesozoic includes three geologic periods: from oldest to youngest, they ... > read more
Cretaceous — The Cretaceous period is one of the major divisions of the geologic timescale, reaching from the end of the Jurassic period, about 146 million years ... > read more
Vertebrate — Vertebrates are members of the subphylum Vertebrata (within the phylum Chordata), specifically, those chordates with backbones or spinal columns. ... > read moreNote: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Ichthyosaur at Wikipedia.org. See the Wikipedia copyright page for more details.
