Fossil bryozoan collection

Scanning electron micrograph of Watersipora grandis zooids

We hold the best collection of fossil bryozoans in the world, with more than 5,000 type and figured specimens.

The collections are being digitised and are accessible via the Data Portal.

Specimen numbers

1,500,000

5,000

Strengths

The collection contains an estimated 1,500,000 specimens, making it one of the largest palaeontology collections at the Museum.

The value of the collection is enhanced by a specialist library and more than 20,000 scanning electron microscope images.

Countries of origin

The collection is representative of all continents.

The full geological range of each group of bryozoans except the Phylactolaemata is represented:

  • the class Gymnolaemata, with the following orders:
    • Cheilostomata (Jurassic to Recent)
    • Ctenostomata (Ordovician to Recent)
  • the class Stenolaemata, with the following orders:
    • Cryptostomata (Ordovician to Triassic)
    • Cyclostomata (Ordovician to Recent)
    • Cystoporata (Ordovician to Triassic)
    • Fenestrata (Ordovician to Permian)
    • Trepostomata (Ordovician to Triassic)
  • Ulrich collection
  • Arthur W Rowe collection
  • Searles Wood collection
  • George Busk collection
  • Tesson collection
  • Sir Charles Lyell collection
  • J W Gregory collection
  • William Lang Collection
  • D A Brown collection

Learn more about the collections