Palanasaspis - AbsoluteAstronomy.com

Palanasaspis chekhivensis is an extinct species of jawless fish which existed during the early Devonian

Devonian

The Devonian is a geologic period and system of the Paleozoic Era spanning from the end of the Silurian Period, about 416.0 ± 2.8 Mya , to the beginning of the Carboniferous Period, about 359.2 ± 2.5 Mya...

period.

The source of this article is wikipedia, the free encyclopedia. The text of this article is licensed under the GFDL.