Proceratium eocenicum is an extinct species of formicid in the ant subfamily Proceratiinae known from fossils found in the Baltic region.

3306) was part of the Carsten Gröhn private collection as CGC no.3306, and subsequently deposited in the Geological-Paleontological Institute and Museum at the University of Hamburg as specimen GPIH, no.

The fossil was first described by the Russian paleomyrmecologist Gennady Dlussky in a paper on the ant subfamilies Ponerinae, Cerapachyinae, and Pseudomyrmecinae in European Eocene ambers.

In the type description, Dlussky named the species P. eocenicum, with the specific epithet derived from "Eocene" as a reference to the age of the amber.

P. petrosum, the first species to be described from a compression fossil, is from diatomite deposits of the Bol’shaya Svetlovodnaya site on the Pacific coast of Russia.