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Rare Trilobite and Crinoid from Swatara Gap
PENNSYLVANIA
Stock Number A1128054

Name:   Trilobite and Crinoid
Age:  Upper Ordovician
Formation:  Martinsburg Formation
Location:  Swatara Gap, Pennsylvania
Size:  Plate is 2.2 inches long
This specimen is not for sale
Click here for similar specimens that are for sale

Here is an extremely rare fossil association from an unusual location. This is Cryptolithus bellulus (trilobite) and Heterocrinus sp. (crinoid) from Swatara Gap, Pennsylvania. This site is well-known for the Cryptolithus trilobites and the occasional starfish that is found, but does not have the reputation as a major crinoid-producing area. In fact, crinoid crowns from this location are quite rare. And associations with COMPLETE Cryptolithus are almost unheard of. The crinoid has fantastic detail - the individual arms are easily seen. The trilobite is inflated and well articulated (see arrow in the close-up photo). The orange fossil contrasts beautifully with the dark sandstone matrix. And, believe it or not, the counterpart of this fossil is included at no charge! This is a very collectible trilobite and crinoid plate from the classic Swatara Gap locality.