Vertebrates
Vertebrates are characterized by a vertebral column, two pairs of jointed appendages and a layer of protective skin, which can be modified into special structures such as hair, scales or feathers. The earliest known vertebrates date back to the early Cambrian period, but the first vertebrates that could walk on land did not come along until the late Devonian.
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Amphibians
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Birds
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- 1
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Bony Fishes
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Mammals
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- 3
- 139
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Reptiles
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- 1
- 521
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Tooth.jpg.5a51083f8eb844475d9f11b921e4addd.jpg)
Sharks, Rays and Skates
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Other Vertebrates
Tooth.jpg.5a51083f8eb844475d9f11b921e4addd.jpg)
Albums
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Vertebrates
All my vertebrate fossils. Enjoy!
- Album created by C2fossils
- Updated
- 33 images
- 7 album comments
- 10 image comments
- 33 images
- 7 album comments
- 10 image comments
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Calvert Cliffs Cowsharks (Sevengill)
Collection of Sevengill cowshark teeth collected along Calvert Cliffs in Maryland.
- Album created by cowsharks
- Updated
- 9 images
- 2 album comments
- 3 image comments
- 9 images
- 2 album comments
- 3 image comments
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Fossils
These are fossils I have found Almost all are from Virginia, Maryland, and North Carolina.
- Album created by shark57
- Updated
- 19 images
- 1 album comment
- 4 image comments
- 19 images
- 1 album comment
- 4 image comments
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Custom Fossil Displays
- Album created by MegaceropsAreCool
- Updated
- 4 images
- 1 album comment
- 4 images
- 1 album comment
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Shark57's Fossils
These are fossils I have found Almost all are from Virginia, Maryland, and North Carolina.
- Album created by shark57
- 0 images
- 0 images
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Image Comments
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By Psittacosaurus · Posted
The groovelessness on some jaguar canines is really interesting. As they switch to more durophagous masticating habits (e.g. eating Caimans and turtles), the canines can't afford to have grooves that are more for cutting meat, yet create a weak point on the force distribution.
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By debivort · Posted
On further examination, I think these are both P. turriculatum
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By ThePhysicist · Posted
Thank you, I definitely don't take them for granted; they are pristine teeth from a cool shark!
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By Jaybot · Posted
Beautiful squalies, and beautiful photography!
While regarded as common, Squalicorax are one of my favorite lamniformes
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