What is "kryptodrakon"

Kryptodrakon is an extinct genus of pterodactyloid pterosaur from the Middle– Late Jurassic boundary of China, with an age of approximately 162.7 million years. It is known from a single type species, Kryptodrakon progenitor. When it was named in 2014, Kryptodrakon was the basalmost and oldest pterodactyloid known.