How To Use Dimetrodon In A Sentence

Dimetrodon is neither a reptile nor a mammal, but a basal synapsid - that is, an early relative of the ancestors of mammals.
I was under the impression that “therapsid” always referred to a kind of synapsid reptile and was distinct from “pelycosaur” another kind of synapsid think dimetrodon. Controversies in Evolution: 'Jurassic beaver' unearthed in China - The Panda's Thumb
But the iguanas in dinosaur costumes, super-sized dimetrodons, superimposed supposed menaces, don't cut it.
Otherwise, we have more of the lumbering and vaguely stegosaur-like "stegodons" seen elsewhere in Azeroth and a bizarre mutation of basilisk that they're calling "Diemetradon" (clearly loosely inspired by the Permian-aged Dimetrodon, which, you'll note, isn't a dinosaur, but, rather, a pelycosaurian synapsid). Howard Hughes Looks the Other Way
Nicknamed "Wet Willi," the skull and fossils belong to Dimetrodon giganhomogenes.

A characteristic pelycosaur was Dimetrodon, a large predator from the Permian of Texas.
The least-seen pieces are the little Dimetrodon (at the top) and the Lambeosaurus (at upper right), neither of which were released in flexi-plastic form. Archive 2006-08-01
All too often books written for a popular audience include animals such as mammoths, mastodons, plesiosaurs, ichthyosaurs, and the sail-backed Dimetrodon.
Otherwise, we have more of the lumbering and vaguely stegosaur-like "stegodons" seen elsewhere in Azeroth and a bizarre mutation of basilisk that they're calling "Diemetradon" (clearly loosely inspired by the Permian-aged Dimetrodon, which, you'll note, isn't a dinosaur, but, rather, a pelycosaurian synapsid). Howard Hughes Looks the Other Way
What about the 30-inch dragonflies, six inch cockroaches, and the dimetrodons of the Permian period?
I was inhaling ancient molecular effluvia of dimetrodons and plesiosaurs, pterodactyls and tyrannosauruses.
He also created a pair of pre-dinosaur animals, dimetrodons, now on display at the Las Vegas Natural History Museum.
Just yesterday, he glanced up from one of his books and exclaimed, ‘Hey, Mom, this says that dimetrodons were 29 feet long!’