Chirostenotes Toe Claw Cast. A Genus of Oviraptor from the late Cretaceous (Approximately 76.5 Million Years Ago). Primarily found in Alberta, Canada. Chirostenotes was a beaked dinosaur that was an herbivore or possibly omnivorous. They had very long , straight fingers and claws. They grew to about 2 metres (6.6 ft) long. Claw cast length: 10.5 cm.