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Zebra mussil (Dreissena polymorpha) invasive zebra mussil or zebra shell
Nepal Rhino skin textured background.
Limestone slabs with abundant fossils like corals, crinoids, and shells found on Baltic Sea islands like Gotland and Rügen, offering glimpses into ancient marine life.
An Ammonite inside a limestone on a wooden flor with foliage. The ammonites where living between 409 and 65 million years ago (Mya).
Lined top shells on a rock, also called Phorcus lineatus
A Leopard Frog Tadpole isolated on a white background.
Close-up of a pointed mud snail in the water of a garden pond, Germany
Rope on the beach becomes trash used by fishermen
Physid snail (Physidae) with a small planarian in an aquarium.
Vernal pool tadpole shrimp or Tadpole Shrimp, Lepidurus parkardi, Jepson Prairie Preserve, California, found in Vernal Pools
Closeup detail of freshwater aquatic snail at surface of water breathing through snorkel tube
Nauru plateau: barren moonscape of jagged rock pinnacles, unsuitable for agriculture, industry, forestry or even housing, the result of decades of phosphate mining that destroyed the island's natural environment. Nauru is a phosphate-rock island with rich deposits near the surface, which allowed easy strip mining operations for over a century, though at the cost of seriously harming the island's environment.
Closed semi-slugs  isolated on white background.
The shell of a dead snail.
The coral-covered shore Dibba Rock in the Indian Ocean on the coast of the Gulf of Omman in the suburbs of the Sharjah city, United Arab Emirates
Sea Urchin Fossil inside limeston.  The close-up image shows a  rock from the Jurassic  age.
An illustration depicting a cycle of life in a lake during the Devonian Period (419 to 358 million years ago). The Eurypterids (Sea Scorpions) feed on the smaller Trilobites dwelling on the lake bottom while the enormous placoderm fish Dunkleosteus, in turn, feeds on them.
A large Mudskipper and a small one in the sand/silt mud on the shore of Sundarbans National Park, India
Amphibians, namely golden snails that are in a rock and lay eggs
Smooth pebbles in a pond
Shell
a hike through the Wadden Sea from the island of Föhr to Amrum past the Warack in the City of Bedford
Waigeo island, Raja Ampat, West Papoua, Indonesia
An illustration of a group of extinct Trilobites scavenging on a seafloor 420 million years ago.
Horizontal extreme closeup photo of many layers of old shell fragments in a coastal midden near Ulladulla, south coast NSW in Winter. Evidence of a First Peoples of Australia gathering and eating place.
Group of periwinkles near a rockpool
Mudskipper in the swamp. The picture is taken in a mangrove swamp forest near Sepilok in the north eastern part of Borneo.
Black swirl that it will become a frog swims  in the clear water of the mountain alpine lake
In vitro bacterial culture
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Naval Ensign of Nigeria 1960.svg
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Annual Nigeria AIDS deaths.svg
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ETH-BIB-Ein strammer Polizist des Emirs von Kano-Tschadseeflug 1930-31-LBS MH02-08-0639.tif.tiff
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