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Demodex folliculorum mite is a type of parasite that lives on humans. tey are among the smallest of arthropods 3d rendering
A cute Common Platanna, also known as the African Clawed Frog (Xenopus laevis) on a large green leaf
Human skull of about a 11 to 12 year old showing developing and erupting teeth.
3D rendering of an Audouliceras, extinct shelled cephalopod animal isolated on white background
American toad and acorn cup in New England woods
Computer generated 3D illustration with the prehistoric shark Orthacanthus
Plaster cast of a denture bite of a 13 year old person for medical examination
cross section cut of pig embryo
3D printed lower jaw with bottom teeth with colorful background
Placerias was a herbivorous therapsid dicynodont that lived in Arizona, USA during the Triassic Period.
Vernal pool tadpole shrimp or Tadpole Shrimp, Lepidurus parkardi, Jepson Prairie Preserve, California, found in Vernal Pools
3d illustration of two eurypterids
Chinese Golden Dragon isolated on black
Close up the Skeleton head king cobra snake for pattern bone snake on black background have path
American toad at its own eye level, looking well fed. On a granite rock in bright sunlight, summer, Connecticut.
Dust mites are extremely small organisms, visible only under a microscope, that cause legacy allergic reactions to breathing and skin. 3D illustration
Green Frog Isolated on White
An illustration of Eurypterus (Sea Scorpions) crawling on a Silurian Period sea bottom 418 million years ago.
Photography from 1899
Jonkeria truculenta was an omnivorous therapsid animal that lived in South Africa during the Permian Period.
The teeth and jaw bones of a large Killer Whale.
Amazing Gecko leg, Amazing Fingers of Gecko on glass, beautiful Gecko natural, Macro shots.
New Zealand Shortfin Eel (Anguilla australis) in river bed.
brittle star (Ophiolepis superba) from Philippines isolated on white background
A critically endangered wild yellow Atelopus epikeisthos is seen on moss.  This new and critically endangered species of Atelopus from the Andes of northern Peru is a harlequin toad.  It is extremely rare.  This toad is found near streams in the high Andes and is 2 inches in length.
cute microscopic life form, cutout on black ground
Spotted Hyena. Carnassials are large teeth found in many carnivorous mammals.  First lower molar and the last upper premolar possess blade-like enamel crowns that act similar to a pair of shears for cutting meat.
Anomalocaris was an arthropod predatory animal that lived in the seas of the Cambrian Age of British Columbia.
Fire-Bellied Toad
Free Images: "bestof:Mastigoteuthis dentata.jpg Mastigoteuthis dentata Originally published in Hoyle W E 1904 Reports on the Cephalopoda Bulletin of the Museum of Comparative"
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