Ctenosauriscus

Ctenosauriscus
Temporal range: Early Triassic,
Part slab of the holotype fossil of Ctenosauriscus koeneni
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Clade: Archosauria
Clade: Pseudosuchia
Clade: Poposauroidea
Family: Ctenosauriscidae
Genus: Ctenosauriscus
Kuhn, 1964
Species

Ctenosauriscus is an extinct genus of sail-backed poposauroid archosaur from Early Triassic deposits of Lower Saxony in northern Germany. It gives its name to the family Ctenosauriscidae, which includes other sail-backed poposauroids such as Arizonasaurus. Fossils have been found in latest Olenekian deposits around 247.5-247.2 million years old, making it one of the first known archosaurs.