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A 3-D computer illustration of the extinct marine echinoderms known as Caryocrinites, a type of cystoid (genus of the class cystoidea), that existed from the Ordovician period to the Silurian (which occurred from 505 to 438 million years ago). Caryocrinites is characterized by a 2.5 cm spherical body made up of plates with featherlike arms (pinnules) attached to a long stem fixed to the sea floor. The mouth and anus were openings in the polygonal plates. Though purely an artistic interpretation, the structure of the animal is inferred through scientific notation and fossil impressions of what the species may have looked like within the environment in which it existed.
Petrosia hoeksemai (family Petrosiidae) occurs in the Indonesian Western Central Pacific in a depth range from 3 to 20m. \nEven if the shape is very different from Giant Barrel Sponge Xestospongia testudinaria, the two species are closely related.\nBanda Island, between Lavaflow 2 and 3, Indonesia, \n4°30'21.233 S 129°52'33.819 E at 16m depth
Colorful Tropical Reef Landscape with Hard Corals, bali, Indonesia
Floating sea weed (Codium Fragile)
A small Basket star (Astrocladus euryale) sitting on an orange sea fan with some of its arms extended
Glass sponge, Sea life Salp and Orange Sea sponge from scuba diver point of view
sea bed close up of plants
Wonderfull underwater photo of a starfish taken in mediterranean sea
An illustration of the extinct Horn Coral Rugosa of the Silurian 418 million years ago.
This colorful Gorgonian Fan Coral has extended Polyps, as they are feeding. \nKraka Island, Banda Sea, Indonesia, 4°30'10.6682 S 129°53'17.6959 E at 13m depth
Basket star (Astroba nuda) at night, in the Red Sea, Egypt.
Deep water mushroom soft coral, Heteropolypus ritteri is a genus of soft corals in the family.  Monterey Bay, California. Alcyoniidae.
Tropical aquarium, tropical waters sea anemone macro close up tentacles
Astrocladus euryale, the basket star, or gorgon's head is found in the coastal waters of South Africa from the west coast of the Cape Peninsula to about Algoa Bay.
Sea Pen, Cavernularia obesa, Coral Reef, Lembeh, North Sulawesi, Indonesia, Asia
Yellow nudibranch eggs.  Close up Abstract.  Exploring and enjoying Beautiful Sea Life macro .  Underwater scene at clear mediterranean sea.  Scuba diver point of view. Greece Europe. Underwater photography
Underwater close-up photography of coral polyps (Divesite: Pulau Bangka, North Sulawesi/Indonesia)
Single starfish on the beach. Diani Beach, Mombasa, Kenya.
Closeup of a Basket Star fish (Astrocladus euryale) on the reef underwater with a black background
The Purplish or Violet Lace Coral is Distichopora violacea occurs in almost the whole tropical Indo-Pacific Ocean (except Hawaii) from very shallow to more than 120m depth, facing into the current in nutrient-rich caves and areas beneath overhangs. This Hydrocoral grows about to hand size. Palau 7°18'56.33 N 134°13'11.34 E at 11m depth
a very rare starfish in the Mediterranean sea (Astrospartus mediterraneus)
Red seaweed floating in crystal clear water.
Close up of red and white feathers. Long straight stems of soft coral underwater at night.
Sea life Salp and Orange Gorgonian coral from scuba diver point of view
Close up showing the intricate detail of coral in the Red Sea, Egypt
Giant red coral groups
An alien looking sea star photographed during a dive in the southern Gulf Islands of British Columbia.
Orange Marble Starfish or Peppermint Sea Star Fromia monilis occurs in the tropical Indo-West Pacific from Andaman Islands to Australia and Japan in a depth range from 0-51m. The species usually has five arms, not six like this specimen. \nBanda Island, 4°30'40.15 S 129°53'19.71 E at 1m depth by night
Underwater close up photography of octo coral polyps.
The island of Oahu, in the state of Hawaii, from old camera film in 1987.
Free Images: "bestof:National Oceanic and Atmospheric Administration (NOAA) The branching arms of a large Basket Star. Soon after this they discovered an entire field of these"
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