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The first known filter feeder is a large shrimp-like creature called Tamisiocaris borealis. The feather-like structures on its head were used to rake plankton from the sea.
Photo

The First Filter Feeder

Today, filter feeders like clams, sponges, krill, baleen whales, fishes, and many...
400 to 1,000 year old bones from an endangered seabird, the Hawaiian petrel. Bones such as these provide a window into the lives of seabirds before and after human arrival in the open ocean environments of the North Pacific.
Photo

Petrel Bones Help Us Understand History

400 to 1,000 year old bones from an endangered seabird, the Hawaiian petrel. Bones...
An Illustration of small tentacled fossils.
Photo

Ancient Entoproct Community

For a long time, scientists thought that some small tentacled fossils were early...
This jellyfish fossil is from the Cambrian period, more than 500 million years ago.
Photo

Fossil Jellyfish

How long have jellyfish lived in the ocean? This jellyfish fossil is from the...
dugong feeds on seagrass in the Red Sea
Photo

Dugong Feeding

Dugongs, along with manatees, make up a group of marine mammals called sirenians or...
Illustration of the Paleozoic shallow water habitat.
Photo

A Mississippian Marine Habitat (359 - 318 Million Years Ago)

Crinoids (echinoderms related to sea stars and sea urchins) dominate the Paleozoic...
paleobiology field equipment for excavating a fossil whale in central america
Photo

Equipment for a Fossil Excavation

Paleobiologist Dr. Nicholas Pyenson, Curator of Fossil Marine Mammals for the...
Hedbergella sliteri - this specific specimen is the "holotype" for this species. That means it is the reference point for what all members of the species should look like.
Photo

Hedbergella sliteri

Hedbergella sliteri - this specific specimen is the "holotype" for this species....
Dr. Kathy Crane and colleagues stand on solid sea ice in the Canadian Arctic.
Photo

Kathy Crane with colleagues on ice

From left to right, Dr. Ian MacDonald, Dr. Russ Hopcroft, Dr. Kathleen Crane, and...
An illustration of the megalodon shark.
Photo

Ancient Giant Megatooth Shark

A scientific illustration of the most powerful fish of its time, Carcharocles...
Photograph of the model of a Giant Megatooth Shark, taken from the front..
Photo

Giant Megatooth Model

A life-sized model suspended over visitors at the San Diego Natural History Museum...
The robotic arm of the ROV Quest finds life at an undersea vent.
Photo

Studying Hydrothermal Vent Life

Census researchers manipulate the robotic arm of the remotely operated vehicle...

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  • Ocean Life
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