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An illustration of Silurian period seafloor scene 418 million years ago. Pictured are Caryocrinites, Crinoids, Coelacanth, Eurypterids, Rugosa, & Trilobites.
Dunkleosteus
Diplocaulus was an amphibian tetrapod that lived in the Permian and Carboniferous Periods of North America and Africa.
Goldfish swimming in the water with a black background photographed in Chengdu
Computer generated 3D illustration with the prehistoric shark Orthacanthus
Nereid (segmented worm) from San Fancisco Bay, California, USA. Photographed through a microscope. Wet mount (internal organs visible), 50X, transmitted light.
Firebrat (Thermobia domestica, Thermophila furnorum, Lepismodes inquilinus), on the dried wood.
Lepidurus packardi, the vernal pool tadpole shrimp, is a small, rare species of tadpole shrimp (Notostraca) found in temporary ponds of the western United States. Branchiopoda. Jepson Prairie Preserve, California.
3d illustration of two eurypterids
Mudskipper in the swamp. The picture is taken in a mangrove swamp forest near Sepilok in the north eastern part of Borneo.
An illustration of Eurypterids (Sea Scorpions) swimming on a Silurian Period seafloor 418 million years ago.
fish tank seafood: mantis shrimp
prehistoric underwater life form, cutout on white ground
Monotomidae, Coleoptera Fossil in Burmese amber of Cenomanian era, 100 million years ago, from the state of Myanmar, extreme macro shot
Computer generated 3D illustration with the prehistoric shark Orthacanthus
Lepidurus packardi, the vernal pool tadpole shrimp, is a small, rare species of tadpole shrimp (Notostraca) found in temporary ponds of the western United States. Branchiopoda. Jepson Prairie Preserve, California.
Drepanaspis is an extinct primitive jawless fish in the Devonian Period of Germany.
Chinese Golden Dragon isolated on black
An illustration of the extinct Eurypterids Kokomopterus (sea scorpions) scavenging a dead trilobite on a murky lake bottom 418 million years ago.
Cherry Shrimp Close-up in aquarium
Dreissena is a genus of small freshwater mussels in the family Dreissenidae in the class Bivalvia. They are found attached to firm substrates by threads from underneath the shells and are the only freshwater bivalves to attach to hard substrates in high densities while having a planktonic larval stage.
Profile view of a brown and white plume moth against a dark background
Photo of Tripletail, a juvenile saltwater fish, against a black background.
Foam on Water Surface Due to Water Pollution.
Around us there are many types of insects or insects with various types, shapes and colors, each of which is very beautiful and different, they live with their own life cycle as one of the balancers on this earth.
Vernal pool tadpole shrimp or Tadpole Shrimp, Lepidurus parkardi, Jepson Prairie Preserve, California, found in Vernal Pools
An illustration of eurypterids, also known as sea scorpions, gathering to seasonally spawn. 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).
Cracked dried earth crust at the bottom of a dried up lake  with dead dried fish.
3d illustration of a Diplocaulus underwater
Oniscus asellus Common Woodlouse. Digitally Enhanced Photograph.
Free Images: "bestof:Eurypterus scouleri restoration.jpg en Eurypterus scouleri Hibbert restored From the Freshwater Limestone of Carboniferous Coal-measures Burdie House near"
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