Primitive echinoderm - Eocrinoidea!!! - Fossilised animal - Balantiocystis regnelli - 16 cm - 14 cm
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Balantiocystis regnelli, a complete specimen of a primitive echinoderm (Eocrinoidea), from the Lower Ordovician Tremadocian Fezouata Formation in Bou Chrebeb, Zagora, Morocco; natural condition, plate 16 × 14 × 2 cm, weight 753 g.
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Description from the seller
Spectacular plate with a complete specimen of Balantiocystis. Very rare species. Balantiocystis is a primitive and enigmatic echinoderm that lived during the Ordovician. There is a plate and a counterplate. The animal Balantiocystis belongs to the group of Eocrinoids, and this species has yet to be described from the Ordovician of Morocco.
The slides contain one beautiful, complete specimen and the remains of another. Specimens with this level of preservation are extremely rare. The contrast between the fossil and its surrounding matrix is spectacular. The extraordinary preservation of the fossil allows for a detailed observation of the delicate structures of Balantiocystis. A museum-worthy specimen.
Plastic supports included.
Plate measurements: 16 x 14 x 2 cm; 753g
Balantiocystis measurements (including arms): 5 x 1.5 cm
The deposits of the Fezouata formation, near the Moroccan city of Zagora, are providing a rich and diverse record of fossils with extraordinary preservation, up to soft tissues or soft-bodied animals being recorded fairly frequently. This type of preservation is similar, although later in time, to that of the famous Burgess Shale site (Canada).
These are fossils dating from between 480 and 472 million years ago. At that time, Morocco was an ocean and was located over the South Pole.
Spectacular plate with a complete specimen of Balantiocystis. Very rare species. Balantiocystis is a primitive and enigmatic echinoderm that lived during the Ordovician. There is a plate and a counterplate. The animal Balantiocystis belongs to the group of Eocrinoids, and this species has yet to be described from the Ordovician of Morocco.
The slides contain one beautiful, complete specimen and the remains of another. Specimens with this level of preservation are extremely rare. The contrast between the fossil and its surrounding matrix is spectacular. The extraordinary preservation of the fossil allows for a detailed observation of the delicate structures of Balantiocystis. A museum-worthy specimen.
Plastic supports included.
Plate measurements: 16 x 14 x 2 cm; 753g
Balantiocystis measurements (including arms): 5 x 1.5 cm
The deposits of the Fezouata formation, near the Moroccan city of Zagora, are providing a rich and diverse record of fossils with extraordinary preservation, up to soft tissues or soft-bodied animals being recorded fairly frequently. This type of preservation is similar, although later in time, to that of the famous Burgess Shale site (Canada).
These are fossils dating from between 480 and 472 million years ago. At that time, Morocco was an ocean and was located over the South Pole.
Details
Number of items
1
Specimen
Primitive echinoderm - Eocrinoidea!!!
Scientific name
Balantiocystis regnelli
Country of Origin
Bou Chrebeb, Zagora, Morocco
Geological Period
Lower Ordovician, Tremadocian - Fezouata Formation
Condition
Natural
Weight
753 g
Height
16 cm
Width
14 cm
Depth
2 cm
