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  • (-) Photo (9)

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  • (-) Extinctions (9)
  • Sharks & Rays (2)
  • Ancient Seas (1)

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  • (-) Smithsonian collections (9)
  • Paleobiology (8)
  • Smithsonian scientists (7)
  • Behind-the-scenes (3)
Fossil tooth whorl of ancient shark.
Photo

Fossil tooth spiral

This fossil tooth whorl of the ancient shark Helicoprion, dates back 290 million...
Complete Fish Skeleton Discovered by Smithsonian Scientists in Panama
Photo

Fish Skeleton Discovery

Paeleobiologist Dr. Nicholas Pyenson, Curator of Fossil Marine Mammals for the...
Smithsonian scientists apply a plaster bandage cap to a block of rock containing fossils
Photo

Securing the Fossil

Paeleobiologist Dr. Nicholas Pyenson, Curator of Fossil Marine Mammals for the...
a squalodontid skull is dislodged after a plaster jacket is applied
Photo

Dislodging the Fossil

Paeleobiologist Dr. Nicholas Pyenson, Curator of Fossil Marine Mammals for the...
Scientists remove remove the whale fossil plaster jacket from the r
Photo

Excavating the Fossil

Paeleobiologist Dr. Nicholas Pyenson, Curator of Fossil Marine Mammals for the...
Smithsonian scientists race the tide the excavate an ancient whale fossil entombed in rock
Photo

Racing the Tide

Paeleobiologist Dr. Nicholas Pyenson, Curator of Fossil Marine Mammals for the...
Smithsonian Scientists Dig a Trench Around a squalodontid Skull
Photo

Digging a Trench

Paeleobiologist Dr. Nicholas Pyenson, Curator of Fossil Marine Mammals for the...
Smithsonian researchers with fossil whale skulls from the group Monodontidae
Photo

Smithsonian Scientists Describe a New Fossil Whale

Monodontids, the group of whales that includes living belugas and narwhals, are...
Squalicorax shark fossil from the Smithsonian
Photo

Squalicorax Shark Fossil

During the late Cretaceous period, Kansas was covered by a vast sea. There,...
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  • Ocean Life
    • Marine Mammals
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    • Sharks & Rays
    • Reptiles
    • Seabirds
    • Fish
    • Invertebrates
    • Plankton
    • Plants & Algae
    • Microbes
  • Ecosystems
    • Coral Reefs
    • Deep Sea
    • Coasts & Shallow Water
    • Poles
    • Census of Marine Life
  • Planet Ocean
    • Tides & Currents
    • Waves, Storms & Tsunamis
    • The Seafloor
    • Temperature & Chemistry
  • Through Time
    • Ancient Seas
    • Extinctions
    • Evolution
    • The Anthropocene
  • Conservation
    • Fishing
    • Pollution
    • Habitat Destruction
    • Invasive Species
    • Acidification
    • Climate Change
    • Gulf Oil Spill
    • Solutions & Success Stories
    • Get Involved
  • Human Connections
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    • Exploration
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