Rhytons
An Apulian rhyton in the shape of a griffin (4th century BCE) from Wikipedia
Sphenosuchus rhyton. Scary teeth look cool, but real animal probably had lips.
Procynosuchus rhyton. Just the right size to hold 12 oz. of liquid.
Free-standing Diictodon rhyton. "Armed" so you can set it down.
Free-standing Acanthostega rhyton. "Armed" so you can set it down.
Free-standing Vancleavea rhyton. Designed to be set down on its lip.
Free-standing Velociraptor rhyton. A very early attempt. The only dinosaur so far.
Large but naive Riojasuchus rhyton. Scary teeth should be tucked behind lips.