Guettardia cf. stellata SOLD

System: Cretaceous.
Floor: Campanian.
Origin: Holtwick, Legden, North Rhine-Westphalia, Germany.
Measurements: 11.5 cm x 8.5 cm
SKU: PO130 Categories: , ,

Guettardia It is a sponge belonging to the class Hexactinellide, whose mineral skeleton is composed of siliceous spicules with six rays that intersect at right angles, known as hexactins, which gives its name to the group. They are commonly known as vitreous sponges.