Khủng long

Sarjeantopodus semipalmatus

Sarjeantopodus semipalmatus

Carnivore

Sarmatosula dobrogensis

Sarmatosula dobrogensis

Carnivore

Sarmientichnus scagliai

Sarmientichnus scagliai

Jurassic Middle Carnivore

Sarmientosaurus musacchioi

Sarmientosaurus musacchioi

Cretaceous Late Herbivore

Satapliasaurus dsocenidzei

Satapliasaurus dsocenidzei

Jurassic Middle Carnivore

Satapliasaurus tschabukianii

Satapliasaurus tschabukianii

Carnivore

Saturnalia

Saturnalia

Triassic Late

Saturnalia tupiniquim

Saturnalia tupiniquim

Triassic Late

Saturnaliidae

Saturnaliidae

Jurassic Early

Saurexallopus

Saurexallopus

Cretaceous Late Omnivore

Saurexallopus lovei

Saurexallopus lovei

Cretaceous Late Omnivore

Saurexallopus zerbsti

Saurexallopus zerbsti

Omnivore

Saurolophus

Saurolophus

Cretaceous Late Herbivore

Saurolophus angustirostris

Saurolophus angustirostris

Cretaceous Late Herbivore

Saurolophus osborni

Saurolophus osborni

Cretaceous Late Herbivore

Sauropelta

Sauropelta edwardsorum

Cretaceous Early Herbivore

Sauropelta edwardsorum

Sauropelta edwardsorum

Cretaceous Early Herbivore

Saurophaganax maximus

Saurophaganax maximus

Jurassic Late Carnivore

Sauropodiformes

Sauropodiformes

Jurassic Early

Sauroposeidon

Sauroposeidon

Cretaceous Early Herbivore

Sazavis prisca

Sazavis prisca

Cretaceous Late Carnivore

Saurornithoides mongoliensis

Saurornithoides mongoliensis

Cretaceous Late Carnivore

Saurornitholestes langstoni

Saurornitholestes langstoni

Cretaceous Late Carnivore

Saurornitholestes sullivani

Saurornitholestes sullivani

Cretaceous Late Carnivore

Savannasaurus elliottorum

Savannasaurus elliottorum

Cretaceous Late Herbivore

Sayornis nigricans

Sayornis nigricans

Herbivore

Scandiavis

Scandiavis

Carnivore

Scelidosaurus

Scelidosaurus

Triassic Late Herbivore

Sceloglaux albifacies

Sceloglaux albifacies

Carnivore

Speotyto

Speotyto

Carnivore

Sphenisciformes

Sphenisciformes

Carnivore

Spheniscus chilensis

Spheniscus chilensis

Carnivore

Spinus pinus

Spinus pinus

Spinus psaltria

Spinus psaltria

Spizella passerina

Spizella passerina

Carnivore

Stegoceras validum

Stegoceras validum

Cretaceous Late Herbivore

Stegosauria

Stegosauria

Cretaceous Early Herbivore

Stegosaurus stenops

Stegosaurus stenops

Jurassic Late Herbivore

Stegosaurus ungulatus

Stegosaurus ungulatus

Jurassic Late Herbivore

Stenonychosaurus inequalis

Stenonychosaurus inequalis

Cretaceous Late Carnivore

Stenopelix valdensis

Stenopelix valdensis

Cretaceous Early Herbivore

Stiltia isabella

Stiltia isabella

Carnivore

Icterus portoricensis

Icterus portoricensis

Herbivore

Icterus spurius

Icterus spurius

Herbivore

Idiornis itardiensis

Idiornis itardiensis

Omnivore

Igai semkhu

Igai semkhu

Cretaceous Late Herbivore

Ignavusaurus rachelis

Ignavusaurus rachelis

Jurassic Early

Ignotornis gajinensis

Ignotornis gajinensis

Cretaceous Early Carnivore