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AR 0-0.25 (Upright=0.25)
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=0.5)
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 1-1.25 (Upright=0.67)
AR 1
Life restoration of a pod of the Eocene whale
Basilosaurus
AR 1.1
A living
Eudocimus ibis
AR 1.25-2 (Upright=0.75)
AR 1.25
A living
Centrocercus urophasianus, or greater sage-grouse
AR 1.5
Restoration of the Miocene-Pliocene beardog
Amphicyon
AR 1.5 (2)
Living
Laurus, or laurel trees
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 2-2.25 (Upright=0.85)
AR 2
Diagram illustrating the sizes of three specimens of the Late Cretaceous long-necked dinosaur
Alamosaurus, with an anachronistic human to scale
AR 2.13
Restoration of the Carboniferous tetrapodomorph
Colosteus
AR 2.16
Restoration of the Late Cretaceous dome-headed dinosaur
Stegoceras
AR 2.2
Restoration of the Paleocene-Eocene creodont mammal
Oxyaena
AR 2.25-4 (Upright=1)
AR 2.25
Restoration of the Late Triassic distant crocodilian relative
Shuvosaurus
AR 2.5
A living
Planaria
AR 3.06
A living
Atractosteus spatula (formerly Lepisosteus spatula), or alligator gar
AR 4-4.5 (Upright=1.25)
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=1.5)
AR 4.54
Fossilized skeleton of the Late Cretaceous mosasaur
Tylosaurus
AR 4.66
Illustration of a living
Bythaelurus catshark
AR 5+ (Upright=1.75)
AR 5.4
Restoration of the Late Cretaceous primitive mosasaur
Dallasaurus