Say hello to Dylan 👋 Dylan is a Diplocaulus. Diplocaulus had distinctive 'boomerang-shaped' heads, four short legs and short, flattened tails. Isn't he lovely? You can find Dylan in @Metro_Bank on Fargate in #Sheffield city centre as part of #SheffieldBricktropolis 🧱 https://t.co/8h8kkwCjbp,