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This drawing will help you learn the different parts of an Ammonoid or Nautiloid.

This drawing will help you learn the different parts of a snail. Snails are often perserved in their entirety. High spired snails may be broken in half. Steinkerns (internal molds) are quite common.

This drawing will help you learn the different parts of a crinoid. Crinoids often disarticulate (fall apart) when they die so you are most likely to find individual stem pieces or pieces of calyx.

This drawing will help you learn the different parts of a clam. The beak and teeth are usually the thickest part of th clam so that is the area that is most often preserved. Steinkerns (internal molds) are quite common.