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Pentremites sp. – Mississippian

Crinoids Cluster Piece

£1.38 – £3.46 ex VAT

£1.00 – £3.00 ex VAT

• 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.

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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.

Weight 20 g
Size

Large ~ 2 cm, Small ~ 1 cm

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