Cryolophosaurus
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Cryolophosaurus is a genus of large theropod dinosaur known from only a single species Cryolophosaurus ellioti, from the early Jurassic of Antarctica. It was one of the largest theropods of the Early Jurassic, with the subadult being estimated to have reached 6–7 metres (20–23 ft) long and weighed 350–465 kilograms (772–1,025 lb).
The unrestored holotype skull, FMNH PR1821.
Fossil pelvis of Cryolophosaurus. The loop at the widest part of the pubis is large compared to later theropods.
Restoration of a Cryolophosaurus in its environment
Monolophosaurus
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Monolophosaurus is an extinct genus of tetanuran theropod dinosaur from the Middle Jurassic Shishugou Formation in what is now Xinjiang, China. It was named for the single crest on top of its skull. Monolophosaurus was a mid-sized theropod at about 5–5.5 metres (16–18 ft) long and weighed 475 kilograms (1,047 lb).
The restored holotype of M. jiangi, on display at the Paleozoological Museum of China
Profile view of skull cast
Mounted skeleton at the Milwaukee Public Museum, clearly showing the hood-shaped antitrochanter above the hip joint