Chlamydosaurus is a highly specific term, referring to a genus of lizard commonly known as the frilled-neck lizard or frilled dragon. This unique species is characterized by a large, frill-like appendage around its neck which it can spread out to intimidate predators or attract mates. While there are no direct synonyms for chlamydosaurus or frilled-neck lizard, there are other terms that could be used to describe this fascinating creature. Other words that might be used to describe the frilled-neck lizard's unique appearance include "ornate," "decorative," or "elaborate." Terms like "distinctive" or "unusual" can also help convey the unique nature of this fascinating reptile.