Stone City Formation Gastropods

Stone City Formation...

9 photos

Middle Eocene Stone City Formation

Middle Eocene Stone City...

6 photos

The Eocene Project Continues

The Eocene Project Continues

3 photos

Stone City Formation

Stone City Formation

7 photos

Permian Hominid Fossil

Permian Hominid Fossil

1 photo

Willi Awakens

Willi Awakens

12 photos

American Green Tree Frog and a Spinybacked Orbweaver

American Green Tree Frog...

8 photos

Dimetrodon Vertebral Menu

Dimetrodon Vertebral Menu

25 photos

Costa Rica

Costa Rica

48 photos

Mammoth Teeth

Mammoth Teeth

10 photos

Javelina Formation Femur

Javelina Formation Femur

6 photos

Catherine and the Permian Ecosystem

Catherine and the Permian...

17 photos

Houston Invades South Dakota!

Houston Invades South Dakota!

16 photos

Permian Chompers

Permian Chompers

14 photos

Permian: May '10

Permian: May '10

16 photos