5112 4hljdin ((Rare Basket Sponge Fossil Hexactinellid)), $10 MINIMUM BID, Lancaster County, Pennsylvania, 11 x 6.5 x .5 cm, Cabinet, | |
Here is actually a very rare fossil from Pennsylvania. It is a sponge. Spicules cover the slate. It is Middle Cambrian from the Long's Park Tongue of the Conestoga Formation. |