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This specimen, from Langs quarry, is one of the largest complete sea scorpions ever found. It's a Pterygotus that measures a little over 7 feet. This is a cast; the original is now in a museum collection.

Here, Lang individually carting us on a quad heading to the Eurypterid sea scorpion quarry.

Here, Lang is helping us look for concoidal fractures to split.

Here are some examples of Eurypterid rempsis found at Langs Quarry.

Here is a larger Eurypterid fossil found. Unfortunately the telson or stinger is missing.

This is a smaller Eurypterid rempsis. The body is here, but the appendages are missing. Some parts need to be glued back on.

Here, Larry is graciously modeling a cast of a Dipleura at the Dipleura site. As one can see, Dipleura are quite large trilobites. However they are very difficult to find whole. We found segments and heads similar to the size of the cast specimen, but no complete ones.

This is a picture of the Triarthrus trilobite site near Little Falls, NY.

Splitting shale at the Triarthrus trilobite site.

This is a Triarthrus specimen that Larry found.

Here is another one of Larry's specimens that he found.

Eurypterid rempsis with the telson or stinger and a paddle missing.

A positive and negative of a Eurypterid rempsis. This one has a complete body but no appendages.

This plate has a Eurypterid rempsis with the poastabdomen missing, but with part of a postabdomen on the right of the plate.

This little guy has the postabdomen missing. However it has all of its appendages, including all of the little walking legs.

Yet another Eurypterid with the postabdomen missing.

Here is a complete Triarthrus trilobite. The head is a little smashed up.

Here is another complete Triarthrus.

Another Triarthrus trilobite fossil.