Usage examples (5)

• I had no sooner spoken than I remembered the pelycosaur we had seen in the jungle.
• Fossil fish in Romer Hall (with a specimen of the pelycosaur Edaphosaurus on the right).
• 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.
• 2. Which of these were not dinosaurs: the pelycosaur Dimetrodon, the winged pterosaurs, and the aquatic ichthyosaurs, plesiosaurs and mosasaurs.