Periphragella cf. plicate SOLD

System: Cretaceous.
Floor: Campanian.
Origin: Holtwick, Legden, North Rhine-Westphalia, Germany.
Measurements: 3.6 cm x 2.7 cm
SKU: PO126 Categories: , ,

Periphragella 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.