Carboniferous period

The Carboniferous is a major division of the geologic timescale that extends from the end of the Devonian period, about 359.2 ± 2.5 Ma (million years ago), to the beginning of the Permian period, about 299.0 ± 0.8 Ma (ICS 2004). As with most older geologic periods, the rock beds that define the period's start and end are well identified, but the exact dates are uncertain by 5–10 million years. The Carboniferous is named for the extensive coal beds of that age found in Western Europe. The first third of the Carboniferous is called the Mississippian epoch, and the remainder is called the Pennsylvanian. Conifer trees appeared in this important and well-known time period.
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Noun
1. from 345 million to 280 million years ago
(synonym) Carboniferous
(hypernym) period, geological period
(part-holonym) Paleozoic, Paleozoic era
(part-meronym) Pennsylvanian, Pennsylvanian period, Upper Carboniferous, Upper Carboniferous period

362-290 Million Years Ago
During this period snakes emerged as well as salamander type amphibians. Large amphibians roamed the lands now and fresh water fish and sharks were now in abundance. Near the end of this period the first reptiles appeared on land.
Xenacanthus (decheni)
see list of time periods

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