Cretaceous Late

Mesozoic 100.5–66.0 Mya 1230 dinosaurs

The final age of dinosaurs, featuring iconic species like Tyrannosaurus rex, Triceratops, and Velociraptor. Dinosaurs reached their peak diversity before the catastrophic asteroid impact at the Chicxulub crater ended the Mesozoic Era.

Somphospondyli

None

Sonidosaurus saihangaobiensis

None

Soroavisaurus australis

None

Sphaerotholus buchholtzae

None

Sphaerotholus edmontonensis

None

Sphaerotholus goodwini

None

Sphaerotholus lyonsi

None

Sphaerotholus triregnum

None

Spheroolithidae

None

Spheroolithus

None

Spheroolithus albertensis

None

Spheroolithus chiangchiungtingensis

None

Spheroolithus choteauensis

None

Spheroolithus europaeus

None

Spheroolithus jincunensis

None

Spheroolithus maiasauroides

None

Spheroolithus spheroides

None

Spheruprismatoolithus

None

Spheruprismatoolithus condensus

None

Spiclypeus shipporum

None

Spinops sternbergorum

None

Stalicoolithidae

None

Stalicoolithus shifengensis

None

Stegoceras

None

Stegoceras novomexicanum

None

Stegoceras validum

None

Stegopelta landerensis

None

Stegouros elengassen

None

Stellasaurus ancellae

None

Stenonychosaurus inequalis

None

Struthiomimus

None

Struthiomimus altus

None

Struthiosaurus

None

Struthiosaurus austriacus

None

Struthiosaurus languedocensis

None

Struthiosaurus transylvanicus

None

Styracosaurus

Ceratopsia

Styracosaurus albertensis

None

Subtiliolithus kachchhensis

None

Subtiliolithus microtuberculatus

None

Sulaimanisaurus gingerichi

None

Suskityrannus hazelae

None

Tacuarembouvum oblongum

None

Talarurus

None

Talarurus plicatospineus

None

Talenkauen santacrucensis

None

Talos sampsoni

None

Tamarro insperatus

None