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AR 0-0.25 (Upright=0.25)[edit]
AR 0.238[edit]
Restoration based on the "Schunnemunk tree" fossil of the Silurian-Late Devonian tree-like probable fungus Prototaxites
AR 0.25-0.75 (Upright=0.5)[edit]
AR 0.38[edit]
Illustration in close-up view (lower left) and gross view (upper right) of a living Crisia bryozoan
AR 0.44[edit]
Fossilized calyx and partial stem of the Silurian-Permian crinoid ("sea lily") Cyathocrinites
Shell of an Elimia freshwater snail
AR 0.67[edit]
A living Coragyps atratus, or American black vulture
AR 0.73[edit]
Shell of an Emarginula keyhole limpet
AR 0.75-1.25 (Upright=0.67)[edit]
AR 0.75[edit]
A living Alligator mississippiensis, or American alligator
AR 0.87[edit]
Fossilized skull of the sea turtle Euclastes
Life restoration of a pod of the Eocene whale Basilosaurus
A living Eudocimus ibis
AR 1.25-1.5 (Upright=0.75)[edit]
AR 1.25[edit]
A living Centrocercus urophasianus, or greater sage-grouse
Restoration of the Miocene-Pliocene beardog Amphicyon
AR 1.5 (2)[edit]
Living Laurus, or laurel trees
AR 1.66[edit]
A living Quercus virginiana, or southern live oak
AR 1.75[edit]
Restoration of the Late Triassic giant ichthyosaur Shonisaurus
AR 1.76[edit]
Restoration of the Carboniferous Chimaera relative Campodus
AR 1.77[edit]
A living Lynx rufus, or bobcat
AR 2- (Upright=1)[edit]
Diagram illustrating the sizes of three specimens of the Late Cretaceous long-necked dinosaur Alamosaurus, with an anachronistic human to scale
AR 2.13[edit]
Restoration of the Carboniferous tetrapodomorph Colosteus
AR 2.16[edit]
Restoration of the Late Cretaceous dome-headed dinosaur Stegoceras
Restoration of the Paleocene-Eocene creodont mammal Oxyaena
AR 2.25[edit]
Restoration of the Late Triassic distant crocodilian relative Shuvosaurus
A living Planaria
AR 3.06[edit]
A living Atractosteus spatula (formerly Lepisosteus spatula), or alligator gar
AR 4-4.5 (Upright=1.25)[edit]
Illustration of a living Echinorhinus shark
AR 4.34[edit]
Illustration of a fossilized tibia of the Late Cretaceous theropod dinosaur Coelosaurus antiquus
AR 4.5-5 (Upright=1.5)[edit]
AR 4.54[edit]
Fossilized skeleton of the Late Cretaceous mosasaur Tylosaurus
AR 4.66[edit]
Illustration of a living Bythaelurus catshark
AR 5+ (Upright=1.75)[edit]
Restoration of the Late Cretaceous primitive mosasaur Dallasaurus