This is a dark brown or black egg case, most likely from a skate [The original PastPerfect record identified this as an egg case from a stingray.]. The egg case has two of its horns preserved at two of the corners.
Kingdom: Animalia (Animals)
Phylum: Chordata (Chordates)
Class: Chondrichthyes
Order: Rajiformes
Family: Rajidae
