Mermaid's Purse

I discovered a Mermaid's Purse washed up on shore during sea turtle patrol.  These strange looking clumps are egg casings of (I believe) the Clearnose Skate, Raja eglanteria. 

To learn a bit more, you may Click Here to watch another YouTube video in which "North Carolina Sea Grant marine education specialist Terri Kirby Hathaway tells us more about this beachcombing find and unveils the secret to its animal identity."