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 Group of trilobites
An illustration of Eurypterids (Sea Scorpions) swimming on a Silurian Period seafloor 418 million years ago.
honeybee worker leg composite W.M. under light microscope with white background
Deep Sea Zooplankton Paraoediceros Lynceus, 3D Rendered
Shrimp in aquarium
Larval stage spotfin flounder photographed at night in the open ocean during a blackwater night dive.
Antarctic krill, Euphausia superba,  is a species of krill found in the Antarctic waters of the Southern Ocean.  They are a key species in the Antarctic ecosystem.
3d illustration of an aegirocassis (early Ordovician)
Rare Scorpion (Arachnida) inclusion in Burmese amber, Myanmar, Cenomian, Upper Cretaceous, approximately 100 million years ago, age of dinosaurs. Image taken with extreme macro and focus stacking technique.
An illustration of Eurypterus exploring sea floor. Eurypterids are related to arachnids and include the largest known arthropods to have ever lived. They were formidable predators that thrived in warm shallow water, in both seas and lakes, from the mid Ordovician to late Permian (460 to 248 million years ago).
Lithobius forficatus Brown Centipede. Digitally Enhanced Photograph.
trilobite
Senegalese sun (Solea senegalensis)
Anomalocaris was an arthropod predatory animal that lived in the seas of the Cambrian Age of British Columbia.
Neotrypaea californiensis (formerly Callianassa californiensis), the Bay ghost shrimp, is a species of ghost shrimp that lives on the Pacific coast of North America. It is a pale animal which grows to a length of 4.5 in. One claw is bigger than the other, especially in males. Underwater.  Monterey Bay, California.
3d illustration of two eurypterids
Pacific halibut swims in the aquarium
A 3D illustration of a group of the extinct Trilobite Paradoxides scavenging on a carcass 500 million years ago.
Goldfish swimming in the water with a black background photographed in Chengdu
The Flycatcher scolopendra. Centipede flycatcher, insect predator Scutigera coleoptrata
Photomicrograph of mayfly nymph, Baetis species, with leaflike gills on back. Live specimen. Wet mount, 2.5X objective, transmitted brightfield illumination.
Marine flatworm - Planaria, crawling on the glass, Black Sea
Vernal pool tadpole shrimp or Tadpole Shrimp, Lepidurus parkardi, Jepson Prairie Preserve, California, found in Vernal Pools
Pyrosome with a fish hiding inside of it
Horizontal high angle photo of a flat bodied stingray with a venomous sting on its tail swimming along close to the sand in the clear shallow estuary water at Dolphin Point near Ulladulla, south coast NSW in Summer.
An illustration of the extinct Eurypterids Kokomopterus (sea scorpions) scavenging a dead trilobite on a murky lake bottom 418 million years ago.
Close up of a shark egg.
Notonecta glauca, Notonectidae is a cosmopolitan family of aquatic insects in the order Hemiptera, commonly called backswimmers
Monotomidae, Coleoptera Fossil in Burmese amber of Cenomanian era, 100 million years ago, from the state of Myanmar, extreme macro shot
Free Images: "bestof:Opipeuterella swimming.png en Opipeuterella Proetida Aulacopleurina Bathyuroidea Telephinidae a possibly pelagic trilobite Early Ordovician To right an"
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