Complex sentence: It was first described by George Waterhouse in 1843; it vanished from view for over a century before its rediscovery in Ku-ring-gai Chase National Park north of Sydney, in 1967.
Split into simpler sentences: It was first described by George Waterhouse in 1843. It vanished from view for over a century before its rediscovery in Ku-ring-gai Chase National Park north of Sydney in 1967.