The Royal Belgian Institute of Natural Sciences Bryozoa collection contains 782 digitised specimens over 98 taxa (mostly species). This dataset only contains the marine species of the collection. The following classes are included: Gymnolaemata Allman, 1856, Stenolaemata Borg, 1926.

NMNH Invertebrate Zoology Collections records, 8784 Bryozoa, 68401 Coelenterates, 220965 Crustacea, 75012 Echinoderms, 196851 Mollusks, 28853 Porifera, 16466 Tunicates, 171401 Worms, 93268 General; Total number of 884216 records currently represent approximately 33% of actual specimen holdings, as of 10 May 2007.