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Crinoids
Pterocoma Crinoid
Pterocoma Crinoid Solnhofen

Pterocoma Crinoid
Amizingly delicate preservation

Pterocoma Crinoid
Crinoid bulbs

Pterocoma Crinoid
Feather like fronds

Pterocoma Crinoid
Close up of the crinoid structure

Pterocoma Crinoid
What a wonderful fossil

Pterocoma Crinoid

Product description

A spectacular Crinoid, Pterocoma pinnata, from the Solnhofen Deposits, Eichstatt, Germany.

It dates from the Jurassic, 150 million years old.

The preservation on this fossil crinoid is superb, and it has been prepared on the original limestone matrix.

It is also possible to see dendrites at the top of the matrix plate.
Crystal Dendrites occur when there are growth instabilities, and they form tree like structures in the rock.

Although Crinoids resemble plants, they are members of the phylum Echinodermata, and filtered plankton from the oceans.
They anchored themselves with the stem, and used their crowns to collect their nutrients.

The Solnhofen Limestone Lagerstatte, is one of the most famous fossil sites in the world. Renowned for the incredibly delicate preservation.
Arguably, the most famous fossil of all was discovered here, Archaeopterix.
The quarry originally produced Lithographic Limestone.

During the Jurassic Period, the area was an archipelago, at the edge of the Tethys Sea.
Creatures that died were covered in a soft carbonate mud, preserving so many delicate structures.

This Crinoid plate shows incredibly delicate structures of these plant like animals.

Plate Size:  15cms x 12cms


Code:

cript001

Weight:

2kg

Price:

£325.00


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All pieces are sold with a full description of the fossil and its origins, and comes with a money-back, lifetime guarantee of authenticity.