Crinoid & Blastoid Fossils

The earliest known crinoid groups date back to the Ordovician.  Sea lilies are in fact animals, despite the appearance of being plants.  They filter food from the surrounding water by the use of feeding arms.  They live in both shallow water and in depths as great as 9,000 meters (30,000 ft). Those crinoids which, in their adult form, are attached to the sea bottom by a stalk.

Some fossil crinoids, such as Pentacrinites, seem to have lived attached to floating driftwood and complete colonies are often found. Sometimes this driftwood would become waterlogged and sink to the bottom, taking the attached crinoids with it. The stem of Pentacrinites can be several metres long. Modern relatives of Pentacrinites live in gentle currents attached to rocks by the end of their stem. The largest fossil crinoid on record had a stem 40 m (130 ft) in length.

Blastoids lived from the Ordovician to the Permian. Often called sea buds, blastoid fossils look like small hickory nuts. They first appear, along with many other echinoderm classes, in the Ordovician period, and reached their greatest diversity in the Mississippian sub period of the Carboniferous period. However, Blastoids may have originated in the Cambrian. Blastoids persisted until their extinction at the end of Permian, about 250 million years ago. Although never as diverse as their contemporary relatives, the crinoids, blastoids are common fossils

Ascocystites Eocrinoids
The Eocrinoids come from El Kaid Errami, Morocco ( East of Anti-atlas Mountains) and are Lower Ordovician. 

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Ascocystites Eocrinoid Fossils on matrix Eo101

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Ascocystites Eocrinoid Fossils on matrix Eo102

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Ascocystites Eocrinoid Fossils on matrix Eo103

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Ascocystites Eocrinoid Fossils on matrix Eo104

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Ascocystites Eocrinoid Fossils on matrix Eo106

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Ascocystites Eocrinoid Fossils on matrix Eo107

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Ascocystites Eocrinoid Fossils on matrix Eo112

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Ascocystites Eocrinoid Fossils on matrix Eo114

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Ascocystites Eocrinoid Fossils on matrix Eo117

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Ascocystites Eocrinoid Fossils on matrix Eo120

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Ascocystites Eocrinoid Fossils on matrix Eo121

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Ascocystites Eocrinoid Fossils on matrix Eo122

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Ascocystites Eocrinoid Fossils on matrix Eo123

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Ascocystites Eocrinoid Fossils on matrix Eo124

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Ascocystites Eocrinoid Fossils on matrix Eo125

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Ascocystites Eocrinoid Fossils on matrix Eo127

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Ascocystites Eocrinoid Fossils on matrix Eo128

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Ascocystites Eocrinoid Fossils on matrix Eo129

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Ascocystites Eocrinoid Fossils on matrix Eo130

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Ascocystites Eocrinoid Fossils on matrix Eo132

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Ascocystites Eocrinoid Fossils on matrix Eo133

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British Pleurocrinus ellipticus & Amphoracrinus gilbertsoni + gigas - Clitheroe Crinoids
Crinoidal limestone containing stems, and partial or near complete Calyxes (where all the digestive and reproductive organs was kept in the Crinoid).    Age: Lower Carboniferous (Mississippian) 340 MYO.  Found in Salthill Quarry, Clitheroe, Lancashire, UK.

Scyphocrinites elegans 
Classic Crinoidal limestone display pieces.  Location: Djebel Issoumour, Alnif, Morocco.    Age: Upper Silurian. 
​   These are fragile and only suitable for shipping within the United Kingdom. We are happy to sell to anywhere in the world but as the shipping takes longer, there is a greater risk of damage, despite strong packing. 

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Scyphocrinites Moroccan Crinoid H

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Scyphocrinites Moroccan Crinoid N

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Scyphocrinites Moroccan Crinoid M

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Scyphocrinites Moroccan Crinoid 4

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Scyphocrinites Moroccan Crinoid 3

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Scyphocrinites Moroccan Crinoid 6

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Scyphocrinites Moroccan Crinoid 9

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