Thyreosaurus

Thyreosaurus; Temporal range: Middle Jurassic;
	Skeletal reconstruction without dorsal plates
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Dinosauria
Clade:	†Ornithischia
Clade:	†Thyreophora
Clade:	†Stegosauria
Family:	†Stegosauridae
Subfamily:	†Dacentrurinae
Genus:	†Thyreosaurus; Zafaty et al., 2024
Species:	†T. atlasicus
Binomial name
	†Thyreosaurus atlasicus; Zafaty et al., 2024

Thyreosaurus is an extinct genus of stegosaurian dinosaur from the Middle Jurassic El Mers III Formation of Morocco. The genus contains a single species, Thyreosaurus atlasicus, known form a partial disarticulated partial skeleton consisting of several dorsal vertebrae, ribs, a limb bone, and dermal bones. Thyreosaurus is characterized by a unique dermal armor with an asymmetrical texture, indicating that it may have been recumbent. Alongside Adratiklit, Thyreosaurus increases the diversity of unique stegosaurs occurring in the Middle Jurassic of Africa.