 | Offers paleontological information of all periods and eras, from the Precambrian to Quaternary times for all countries of North America.
It sports excellent graphical explanations; we liked particularly the maps and charts showing the geological evolution of North america thorough times. The same graphical metaphor was used to show fossil collections naturally classified in a chronological way; it has very good pictures of Cambrian-era organisms, by the way.
Things like descriptions about the Phantalassic ocean, not commonly found elsewhere, are the kind of notions that can make even the most hard-headed individual think about life, the universe and everything during a rainy weekend. But seriously, this site provides world-class material; we spent a lot of time visiting it just for the fun of it.
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