is Paxon. nature - zoology. anarchist. faggot. I do not suffer fools well. http://rhamphotheca.tumblr.com/ask http://rhamphotheca.tumblr.com/faq Sep 13 View high resolution Estemmenosuchus …(meaning “crowned crocodile” in Greek ) is a genus of large, early omnivorous therapsids that lived during the middle part of the Middle Permian , around 267 million years ago.