Stegosaurus

Stegosaurus is a genus of herbivorous armored dinosaur from the Late Jurassic, recognized by paired plates along its back and four prominent tail spikes.

Stegosauria: Stegosauria is a group of herbivorous armored dinosaurs characterized by rows of plates or spikes along their backs and tails. Stegosaurus is the best-known member of this dinosaur group.
Stegosaurus thermoregulation hypothesis: The thermoregulation hypothesis proposes that stegosaur plates helped regulate body temperature by exchanging heat. The plates’ large, blood-supplied surfaces prompted proposals that they shed or absorbed heat.
Morrison Formation: The Morrison Formation is a widespread Late Jurassic sequence of sedimentary rocks in western North America. Many important Stegosaurus fossils come from this formation.
Stegosaurus ungulatus: Stegosaurus ungulatus is a species of Stegosaurus named by Othniel Charles Marsh in 1879. It is one of the named species that broadened the genus’s early fossil record.
Thyreophora: Thyreophora is the dinosaur group comprising armored herbivores such as stegosaurs and ankylosaurs. This broader group places Stegosaurus among armored dinosaurs.
Stegosaurus display hypothesis: The display hypothesis proposes that stegosaur plates served visual signaling or species recognition. Plate size, arrangement, and visibility have been used to argue for a signaling role.
Othniel Charles Marsh: Othniel Charles Marsh was an American paleontologist who described numerous fossil vertebrates in the nineteenth century. Marsh named Stegosaurus in 1877 during the Bone Wars.
Stegosaurus sulcatus: Stegosaurus sulcatus is a species named by Othniel Charles Marsh in 1887 from fragmentary material. Its uncertain distinction from other species illustrates classification challenges within the genus.
Osteoderm: An osteoderm is a bony structure that develops within the skin of an animal. Stegosaurus plates and tail spikes were bony structures embedded in the skin.
Stegosaurus tail defense: Stegosaurus tail defense is the use of its spiked tail to deter or injure attackers. Tail-spike injuries in fossils support a defensive function for the thagomizer.

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