James St. John:
Pakicetus attocki (fossil whale) (Kuldana Formation, Lower Eocene; Kala Chitta Hills, Punjab, Pakistan) 1
James St. John:
Pakicetus attocki (fossil whale) (Kuldana Formation, Lower Eocene; Kala Chitta Hills, Punjab, Pakistan) 2
James St. John:
Reconstruction of Pakicetus attocki (fossil whale) (Kuldana Formation, Lower Eocene; Kala Chitta Hills, Punjab, Pakistan)
James St. John:
Rodhocetus (fossil whale) (Middle Eocene; Pakistan) 1
James St. John:
Rodhocetus (fossil whale) (Middle Eocene; Pakistan) 2
James St. John:
Reconstruction of Rodhocetus (fossil whale) (Middle Eocene; Pakistan) 1
James St. John:
Fossil sperm whale tooth (Miocene; Aurora, North Carolina, USA)
James St. John:
Rodhocetus (fossil whale) (Middle Eocene; Pakistan) 3
James St. John:
Rodhocetus (fossil whale) (Middle Eocene; Pakistan) 4
James St. John:
Rodhocetus (fossil whale) (Middle Eocene; Pakistan) 5
James St. John:
Rodhocetus (fossil whale) (Middle Eocene; Pakistan) 6
James St. John:
Reconstruction of Rodhocetus (fossil whale) (Middle Eocene; Pakistan) 2
James St. John:
Reconstruction of Rodhocetus (fossil whale) (Middle Eocene; Pakistan) 3
James St. John:
Basilosaurus sp. (fossil whale) (Eocene; Egypt) 1
James St. John:
Basilosaurus sp. (fossil whale) (Eocene; Egypt) 2
James St. John:
Basilosaurus sp. (fossil whale) (Eocene; Egypt) 3
James St. John:
Basilosaurus sp. (fossil whale) (Eocene; Egypt) 4
James St. John:
Basilosaurus sp. (fossil whale) (Eocene; Egypt) 5
James St. John:
Reconstruction of Basilosaurus sp. (fossil whale) (Eocene; Egypt)
James St. John:
Aglaocetus moreni (fossil baleen whale) (Oligocene; Argentina) 1
James St. John:
Aglaocetus moreni (fossil baleen whale) (Oligocene; Argentina) 2
James St. John:
Aglaocetus moreni (fossil baleen whale) (Oligocene; Argentina) 3
James St. John:
Aglaocetus moreni (fossil baleen whale) (Oligocene; Argentina) 4
James St. John:
Aglaocetus moreni (fossil baleen whale) (Oligocene; Argentina) 5
James St. John:
Aglaocetus moreni (fossil baleen whale) (Oligocene; Argentina) 6
James St. John:
Reconstruction of Aglaocetus moreni (fossil baleen whale) (Oligocene; Argentina)
James St. John:
Whale coprolite (Pleistocene; Santa Fe River, Florida, USA)
James St. John:
Fossil dolphin lower jaw (Miocene; Colleton County, South Carolina, USA)
James St. John:
Squalodon atlanticus (fossil shark-toothed porpoise tooth) (Miocene; Randle Cliff, Maryland, USA)