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Not to be confused with Chasmatosaurus.
Temporal range: Early Triassic
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Sauropsida
Infraclass: Archosauromorpha
Family: Proterosuchidae
Genus: Chasmatosuchus
Huene, 1940

Chasmatosuchus rossicus
Huene, 1940 (Type)
Chasmatosuchus parvus (nomen dubium)
Huene, 1940

Chasmatosuchus was a proterosuchid archosauriform reptile from the early Triassic period of South Africa and China. One of the earliest described archosauriforms, it was over 2 m long and is thought to have behaved like a modern crocodile.[1] Its mouth had two distinct features: the top of its jaw hooked downwards to aid in holding prey, and the upper palate was lined with a row of teeth—a primitive feature lost in later archosaurs.[2]


  1. ^ Paleobiology Database. PaleoDB. Accessed April 7, 2012.
  2. ^ Chasmatosuchus. Accessed April 7, 2012.