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Primitív Ophiura - Ophiuroidea! - Fosszilizálódott állat - Protaster jahni (Jaekel, 1903) - 12 cm - 9 cm
Nr. 80145557
Nr. 80145557
Huge uncommon Fossil Bivalve, Caprina distefanoi, natural on ultra hard and heavy matrix.
Rudists are a group of extinct box-, tube- or ring-shaped marine heterodont bivalves belonging to the order Hippuritida that arose during the Late Jurassic and became so diverse during the Cretaceous that they were major reef-building organisms in the Tethys Ocean, until their complete extinction at the close of the Cretaceous.
Although they have been very abundant organisms, it is very difficult to find whole and well preserved ones, due to many reasons, such as the hardness of the rock that contains them, very compact and hard, almost like marble.
This specimen is very beautiful, nestled in its hard white matrix, looks like marble sculpture.
Can be displayed in two ways.
19 x 14 x 9 cm
Rare, unseen, complete specimen.
From an old collection.
It come with is display.
Rare
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