What is "kaatedocus"

Kaatedocus is a genus of diplodocine flagellicaudatan sauropod known from the middle Late Jurassic ( Kimmeridgian stage) of northern Wyoming, United States. It is known from well-preserved skull and cervical vertebrae which were collected in the lower part of the Morrison Formation. The type and only species is Kaatedocus siberi, described in 2012 by Emanuel Tschopp and Octávio Mateus.