The museum was established in 1874 and works to promote the study and better understanding of paleontology.

The Museu Geològic del Seminari de Barcelona specialization is fossilised invertebrates from different geological periods.

The museum's collection holds more than 86,576 fossils taxon (December 2020), a library with more than 17,000 books, a laboratory, and historical archive.

The institution has a large collection of fossil malacology, corals, sponges, brachiopods, trilobites, and others.

There is a large display case with a complete Tetralophodon in the main exhibition hall.