Mahantango Mystery

[Thomas1982]

Hello all,

 

My daughter and I were cracking open some Mahantango Formation rocks left over from our fossiling trips last summer, and found this... ?  Any ideas what it might be?

 

Found Schuylkill County, Central Pennsylvania

 

Thanks!

Tom

[Kane]

Fragment of a Dipleura dekayi cephalon.

[cck]

It’s part of a trilobite cephalon in my opinion

[Thomas1982]

Thanks!  This is our first Dipleura!  Always exciting to add a new species to the collection