Sentence examples for middle epochs from inspiring English sources

The Ordovician Period is divided into seven stages two each in the early and middle epochs and three in the late epoch.

Middle: epoch-averaged rank/group size.

In this case, energy factor is predominant and thus results in the high-risk level for two epochs and low-risk level for middle epoch.

Lepidodendron and its relatives lived in the extensive peat-forming swamps of the Early and Middle Pennsylvanian epochs (about 318 million to 307 million years ago) and became extinct when these swamps disappeared.

Secondly, the association was transient: the odds ratios were increased in the middle two epochs but similar in the first and the last.

Ardipithecus lived between 5.8 million and 4.4 million years ago, from late in the Miocene Epoch (23 million to 5.3 million years ago) to the early to middle Pliocene Epoch (5.3 million to 2.6 million years ago).

During the Middle Jurassic Epoch (174.1 million to 163.5 million years ago), the earliest snakes evolved.

The second was centred on eastern Tennessee in the Middle Ordovician Epoch.

The Kamasian, or Second, Pluvial of the middle Pleistocene Epoch corresponds to the Mindel in Europe.

The first mammals probably derived from small carnivorous chiniquodontids or trithelodonts sometime in the Middle Triassic Epoch (245.9 million to 228.7 million years ago).

Burgess Shale, fossil formation containing remarkably detailed traces of soft-bodied biota of the Middle Cambrian Epoch (520 to 512 million years ago).