Pentremites godoni blastoid collected from the Mississippian sediments of Wax or Caldwell County in Kentucky, USA. Pentremites belong to the class Blastoidea and they are a type of echinoderm. They resemble their distant relatives, the crinoids, being attached to the sea floor by a stalk, trapping food with tentacle like appendages. These specimens are available in two sizes: Small measures approximately 5 mm in diameter and large between 1 - 1.5 cm. Supplied in small plastic bags with an information label.