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Balanus nubilus, the giant acorn barnacle, is the world's largest barnacle. Seward, Alaska.
Hermodice carunculata
An illustration of the extinct Eurypterids Kokomopterus (sea scorpions) scavenging a dead trilobite on a murky lake bottom 418 million years ago.
Sea life worm Spiral tube worm Underwater beauty  Aquatic organism   Close up, macro photo. Scuba diver point of view
Bearded Fireworm (Hermodice carunculata)
A group of Brachiopods on a fossil Ammonite. The close-up image shows several fossils from the jurassic period found in the canton of Aargau.
Ammonite is a fossilization of a squid enclosure, photographed here with macro lens in studio
Barnacles on Rock
OLYMPUS DIGITAL CAMERA
High angle view of a moon jellyfish ( aurelia aurita ) and green algae aquatic animal on the North Sea beach .
A 3-D computer illustration of Eurypterid, more commonly known as a Sea Scorpion, from the mid Ordovician to late Permian (460 to 248 million years ago). Eurypterids (sea scorpions) are an extinct group of arthropods that are related to arachnids and include the largest known arthropods to have ever lived. They went extinct during the Permian–Triassic extinction event 252.17 million years ago. Their fossils have a near global distribution. Though purely an artistic interpretation, the structure of the animal is inferred through fossil images and scientific notation of what the species may have looked like within the environment in which they existed.
Chiton, Tripoplax regularis. on a rock at Salt Point State Park in Sonoma County, California.
prehistoric under water life form cut out on black ground
Monotomidae, Coleoptera Fossil in Burmese amber of Cenomanian era, 100 million years ago, from the state of Myanmar, extreme macro shot
Cnidarian animal, Jellyfish sea anemone
Clausiliidae Door Snail. Digitally Enhanced Photograph.
Even unicellular (leaf exfoliated) - Elaeagnus angustifolia.
A crab carcass creates a stunning example of nature’s beauty.
Close-up of Foraminifera shells from sandstone. Yogyakarta, Indonesia.
Goldfish swimming in the water with a black background photographed in Chengdu
Photo of coral rock on a sandy beach
Close up of a shark egg.
Phoronopsis californica is a marine invertebrate that belongs to the phylum Phoronida. It has a U-shaped gut, tentacles, and is a filter feeder. It is found in benthic environments, using peristaltic movements to pump water through its ciliated feeding organ. Its planktonic larvae settle on sandy or muddy substrates and begin tube-building. P. californica is sessile and colonial, with a calcareous tube that can harbor epibiotic organisms. It is hermaphroditic and can reproduce both sexually and asexually, with regenerative capabilities. It is found on the west coast of North America in the Pacific Ocean.
Pencil sea urchin, Cidaris cidaris, Lanzenseeigel - on the aquarium glass.
Spirobranchus giganteus, commonly known as Christmas tree worms, are tube-building polychaete worms belonging to the family Serpulidae.
Mussels on rocks on the Tofino Coast.
Macro photo of adult stage of Toxocara canis, dog roundworm
The giant California sea cucumber (Parastichopus californicus or Apostichopus californicus) is a sea cucumber that can be found from the Gulf of Alaska to Southern California. Monterey County, California.
Nereid (segmented worm) from San Fancisco Bay, California, USA. Photographed through a microscope. Wet mount (internal organs visible), 50X, transmitted light.
The Polychete (Megalomma) in natural habitat
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