Jereica polystoma, GER
Product number:
F1006
Product information "Jereica polystoma, GER"
A flask-shaped siliceous sponge.
The third picture shows the fossil coaxial tubes of the exhalation water system (very well preserved), which emerge in the ostia on the upper side of the sponge. The outer shell of the sponge consists of numerous radial prosopyles (inhalative water channels that conduct the water from the ostia to the choanocyte chambers inside).
Age: Upper Cretaceous, Cenomanian;
Locality: Dolberg, part of the town of Ahlen, Warendorf district, North Rhine-Westphalia, Germany
Size: 11.5 x 6 cm
Delivery includes vintage label.
Colors on pictures may differ slightly from the original piece due to technical reasons.
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