# fossilfriday xenacanthus pareiasaurus meganeura hylonomus evolution notadinosaur art illustration paleoart

My new book, Story of Life Publishing in October 🌴🐊🐜

8 21
2015-07-22

Lystrosaurus, Dimetrodon, Estemmenosuchus. おそらく使い道のない,古生代の単弓類シリーズ．

18 26
2015-03-17

Happy Here's a Dimetrodon soaking up some Permian sun!

2 2
2014-07-12

Request from http://t.co/lnKAHS0MGc: Dimetrodon. Here's one getting miffed at something.

2 3
2013-08-05