Pentremites sp. – Mississippian
£1.00 – £3.00
• Geological Age: Mississippian, early Carboniferous period, 358 to 323 million years old
• Location: Big Clifty Formation, Sulphur, Indiana, USA
• Family: Echinoderm
• Class: Blastoidea
• Species: Pentremites sp.
Pentremites sp. fossil collected from the Mississippian Big Clifty Formation, Indiana, USA. Pentremites belong to the class Blastoidea and they are a type of echinoderm.
Pentremites sp. blastoid collected from the Mississippian Big Clifty Formation of Indiana, 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 measure approximately 1 cm in total length and Large approximately 2 cm. Supplied in small plastic bags with an information label.