Sentence Examples with the word permian period

To the Permian period belongs a remarkable genus Eugereon, that combines hemipteroid jaws with orthopteroid wing-neuration.

The greater part of the Himalayan region lay beneath the sea from early Palaeozoic times to the Eocene period, and the deposits are accordingly marine; the Peninsula, on the other hand, has been land since the Permian period at least - there is, indeed, no evidence that it was ever beneath the sea - only on its margins are any marine deposits to be found.