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Snapping Turtle Shell (Chelydra serpentina) | by Zachary Cava
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Snapping Turtle Shell (Chelydra serpentina)

Finished cleaning up this juvenile snapping turtle shell. I decided to remove 1/2 of the scutes to show the underlying bone. Aside from its relatively small size (carapace length=17cm), another indication that this animal was a juvenile are a series of spaces along the margin of the right side of the shell. These openings are called “fontanelles,” or “soft spots,” and are analogous to the gaps between cranial bones that our own species has during infancy. As in humans, these spaces usually become ossified and “fill in” as a turtle matures.

 

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Taken on January 23, 2015