What is "lambeosaurini"

Lambeosaurini is one of the four lambeosaurine tribes, previously known as Corythosaurini, is a group of hadrosaurid ornithopods known from N. America and Asia. It is defined as all lambeosaurines closer to Lambeosaurus lambei than to Parasaurolophus walkeri (Lambeosaurus lambei>Parasaurolophus walkeri).

It currently contains the following genera; Corythosaurus (from the Red Deer River, Canada), Hypacrosaurus (from Alberta, Canada, and Montana, U.S.), Lambeosaurus (also from Canada), Magnapaulia (from Baja California, Mexico), Nipponosaurus (from Sakhalin, Russia), Olorotitan (from the Amur River, Russia), Sahaliyania (also from the Amur river, however in China), and Velafrons (from Coahuila, Mexico). It also may include Angulomastacator (from Rio Grande, Texas), and Amurosaurus (also from the Amur river, again on the Russian side).