=== Bryozoa ===
Museum ini menyimpan koleksi [[bryozoa]] milik Arthur Waters, seorang naturalis yang tinggal dekat Manchester.
<!--Waters described the bryozoa of the [[Challenger expedition]]. The collection includes approximately 10,000 specimens including hundreds of type specimens. The museum also holds the brozoa collection of Eliza Jelly, another eminent 19th-century bryozoologist.
=== Moluska ===