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FS344 Holes in Belemnite Drilled by Cliona

2.5 cm. Long x 1.5 cm. Wide x 1.0 cm. High

Classification: Metazoa, Porifera, Demospongiae, Hadromerida, Clionaidae, Cliona, sp.

Description: This looks like the sponge Cliona which bores into shells and belemnite guards after the mollusk dies. Cliona bores to protect itself; it uses the hard shells as substrate and armor.

Age: Cretaceous Period

Location Found: United States, Delaware,

Found by: stooth58

Custodian: stooth58

Identified by: Carl Mehling

References: