Amphibian and lobe-finned fish anatomy
© Karen Carr.

Baleen and toothed whales
© Smithsonian Institution.

Coral Polyp
© Smithsonian Institution.

Deep-sea research
© Smithsonian Institution.

Evolutionary relationships among major groups of cetaceans
© Karen Carr.

Hydrological cycle
© Smithsonian Institution.

Is a Dolphin a Fish book cover illustration
© Karen Carr.

Is a Dolphin a Fish hunting dolphins and bait ball
© Karen Carr.

Is a Dolphin a Fish hunting orcas
© Karen Carr.

Krill life cycle
© Smithsonian Institution.

Lobe-finned and ray-finned anatomy
© Karen Carr.

Lungfish
© Karen Carr.

Modern whale skeletal system
© Karen Carr.

New York Times Sant Ocean Hall review
© Smithsonian Institution.

Octopus Ornatus
© Karen Carr.

Polar motion
© Smithsonian Institution.

Sant Oceans Hall Grand Opening
© Smithsonian Institution.

Sant Oceans Hall Grand Opening
© Smithsonian Institution.

Sant Oceans Hall Grand Opening
© Smithsonian Institution.

What is seawater made of?
© Smithsonian Institution.

Eobalaenoptera whale and skeleton
© Karen Carr.

Virginia Megalodon
© Karen Carr.

Whale calving mural
© Karen Carr.

Ambulocetus
© Karen Carr.

Basilosaurus
© Karen Carr.

Angolan Oceanic Upwelling Community
© Karen Carr.

Cretaceous Angolan Sea Creatures
© Karen Carr.

Cretaceous Angolan Sea Creatures
© Karen Carr.

Cretaceous Marine Environment
© Karen Carr.

Cretaceous Marine Environment mosasaur detail
© Karen Carr.

Deinosuchus detail
© Karen Carr.

Mesozoic Marine Arch Archelon detail
© Karen Carr.

Mortoniceras
© Field Museum

Mosasaur
© Karen Carr.

Pachycheilosuchus
© Karen Carr.

Pachyrhachis problematicus
© Karen Carr.

Jurassic Shark detail
© Karen Carr.

Rudist Community
© Smithsonian Institution.

Augustasaurus
© Field Museum

Helicoprion
© Karen Carr.

Permian Seafloor
© Karen Carr.

Permian Seafloor Detail
© Karen Carr.

Mississippian Marine Environment
© Indiana State Museum Foundation

Mississippian Marine Environment shark detail
© Indiana State Museum Foundation

Acanthostega
© Karen Carr.

Audubon Insectarium Ancient Seas Mural
© Karen Carr.

Coccosteus
© Field Museum

Devonian Marine Mural
© Indiana State Museum Foundation

Doryaspis
© Karen Carr.

Dunkleosteus for Royal Tyrrell
© Karen Carr.

Eusthenopteron
© Field Museum

Eusthenopteron
© Karen Carr.

Stethacanthus
© Field Museum

Stethacanthus
© Karen Carr.

Silurian Marine Environment
© Indiana State Museum Foundation

Eurypterids
© Karen Carr.

Ordovician Marine Environment
© Indiana State Museum Foundation

Anomalocaris
© Karen Carr.

Cambrian Sea anomolocaris detail
© Field Museum

Cambrian Sea Mural
© Field Museum

Chancelloria detail
© Field Museum

Conodonts
© Karen Carr.

Marine Arch background mural
© Karen Carr.

Marine Arch front mural
© Karen Carr.

Marine Arch middle mural
© Karen Carr.

Marrella
© Karen Carr.

Pikaia
© Field Museum

Sea Hallucigenia detail
© Field Museum

Smithsonian Burgess Shale Community
© Smithsonian Institution.

Ediacaran seafloor
© Karen Carr.