AR 0-0.25 (Upright=0.5)
AR 0.238
Restoration based on the "Schunnemunk tree" fossil of the Silurian-Late Devonian tree-like probable fungus Prototaxites
AR 0.25-1 (Upright=0.625)
AR 0.38
Illustration in close-up view (lower left) and gross view (upper right) of a living Crisia bryozoan
AR 0.44
Fossilized calyx and partial stem of the Silurian-Permian crinoid ("sea lily") Cyathocrinites
AR 0.5
Shell of an Elimia freshwater snail
AR 0.67
A living Coragyps atratus, or American black vulture
AR 0.73
Shell of an Emarginula keyhole limpet
AR 0.75
A living Alligator mississippiensis, or American alligator
AR 0.87
Fossilized skull of the sea turtle Euclastes
AR 1-2 (Upright=0.75)
AR 1
Life restoration of a pod of the Eocene whale Basilosaurus
AR 1.1
A living Eudocimus ibis
AR 1.25
A living Centrocercus urophasianus, or greater sage-grouse
AR 1.33
Shell of a Tellina, or tellin
AR 1.5
Restoration of the Miocene-Pliocene beardog Amphicyon
AR 1.5 (2)
Living Laurus, or laurel trees
AR 1.54
Living male (on top) and female (bottom, with white stripe down her back) Anolis carolinensis, or Carolina anoles
AR 1.63
Shell of a living Anguispira alternata land snail, or flamed tigersnail
AR 1.66
A living Quercus virginiana, or southern live oak
AR 1.75
Restoration of the Late Triassic giant ichthyosaur Shonisaurus
AR 1.76
Restoration of the Carboniferous Chimaera relative Campodus
AR 1.77
A living Lynx rufus, or bobcat
AR 1.78
Restoration of the Late Cretaceous horned dinosaur Agujaceratops
AR 2-4 (Upright=0.875)
AR 2
Diagram illustrating the sizes of three specimens of the Late Cretaceous long-necked dinosaur Alamosaurus, with an anachronistic human to scale
AR 2.2
Restoration of the Paleocene-Eocene creodont mammal Oxyaena
AR 2.2 (2)
A living Taxidea taxus, or American badger
AR 2.25
Restoration of the Late Triassic distant crocodilian relative Shuvosaurus
AR 2.45
Restoration of the Late Triassic giant ichthyosaur Shonisaurus
AR 2.5
A living Planaria
AR 3.06
A living Atractosteus spatula (formerly Lepisosteus spatula), or alligator gar
AR 3.19
Restoration of the Middle Triassic ichthyosaur Mixosaurus
AR 3.26
Restoration of the Late Cretaceous plesiosaur Elasmosaurus
AR 3.5
Restoration of the Late Jurassic-Early Cretaceous crocodile relative Goniopholis
AR 4-4.5 (Upright=1)
AR 4
Illustration of a living Echinorhinus shark
AR 4.34
Illustration of a fossilized tibia of the Late Cretaceous theropod dinosaur Coelosaurus antiquus
AR 4.5-5 (Upright=1.125)
AR 4.54
Fossilized skeleton of the Late Cretaceous mosasaur Tylosaurus
AR 4.66
Illustration of a living Bythaelurus catshark
AR 4.76
Fossilized skeleton of the Late Cretaceous mosasaur Clidastes
AR 4.97
Reconstructed skeleton of the Late Triassic Aetosaurus. Othniel Charles Marsh (1895).
AR 5+ (Upright=1.25)
AR 5.4
Restoration of the Late Cretaceous primitive mosasaur Dallasaurus