The invertebrate type collection at the Swedish Museum of Natural History houses over 8 000 lots of which about 6 600 have been verified (2015). Mollusca constitute about 20% of the type collection. Other well represented groups are Polychaeta, Oligochaeta, Anthozoa, Amphipoda and Echinodermata. The collection houses a large proportion of the type specimens by Ch. Erséus, A. J. Malmgren, A. Warén, O. Carlgren, S. Lovén, S. Boström, U. Jondelius, S. Stöhr, A. V. Ljungman, H. Théel, and S. Bock. More information can be found at http://www.nrm.se/english/researchandcollections/zoology/collections/invertebrates.305_en.html