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The First Filter Feeder
Today, filter feeders like clams, sponges, krill, baleen whales, fishes, and many...
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Petrel Bones Help Us Understand History
400 to 1,000 year old bones from an endangered seabird, the Hawaiian petrel. Bones...
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Ancient Entoproct Community
For a long time, scientists thought that some small tentacled fossils were early...
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Fossil Jellyfish
How long have jellyfish lived in the ocean? This jellyfish fossil is from the...
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Dugong Feeding
Dugongs, along with manatees, make up a group of marine mammals called sirenians or...
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A Mississippian Marine Habitat (359 - 318 Million Years Ago)
Crinoids (echinoderms related to sea stars and sea urchins) dominate the Paleozoic...
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Equipment for a Fossil Excavation
Paleobiologist Dr. Nicholas Pyenson, Curator of Fossil Marine Mammals for the...
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Hedbergella sliteri
Hedbergella sliteri - this specific specimen is the "holotype" for this species....
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Kathy Crane with colleagues on ice
From left to right, Dr. Ian MacDonald, Dr. Russ Hopcroft, Dr. Kathleen Crane, and...
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Ancient Giant Megatooth Shark
A scientific illustration of the most powerful fish of its time, Carcharocles...
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Giant Megatooth Model
A life-sized model suspended over visitors at the San Diego Natural History Museum...
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