Complex sentence: One of the most notable of these was "Darwinopterus", whose body resembled the more primitive long-tailed tailed "rhamphorynchoids", while its skull resembled those of the more advanced short-tailed pterodactyloids.
Split into simpler sentences: One of the most notable of these was "Darwinopterus". The body of "Darwinopterus" resembled the more primitive long-tailed tailed "rhamphorynchoids", while its skull resembled those of the more advanced short-tailed pterodactyloids.