The collection is responsible for these taxa:
- PROTOZOANS (a collective term for unicellular organisms with a nucleus, but without photosynthetic capabilities)
- ANIMALS (Metazoa – multicellular organisms)
- PLACOZOANS (Placozoa)
- MYXOZOANS (Myxozoa; now a subgroup of Cnidaria)
- ACOELOMORPHS (Acoelomorpha) including:
- Acoels (Acoela)
- Nemertodermatans (Nemertodermata)
- XENOTURBELLIDS (Xenoturbella)
- KINORYNCHS (Kinorhyncha)
- LORICIFERS (Loricifera)
- PENIS WORMS or PRIAPULIDS (Priapulida)
- ROUNDWORMS (Nematoda)
- HORSEHAIR or GORDIAN WORMS (Nematomorpha)
- ARROW WORMS (Chaetognatha)
- ORTHONECTIDES (Orthonectida; originally part of Mesozoa)
- RHOMBOZOANS (Rhombozoa or Dicyemida; originally part of Mesozoa)
- JAW WORMS (Gnathostomulida)
- MICROGNATHOZOANS (Micrognathozoa)
- SYNDERMATANS (Syndermata) including:
- Rotifers or wheel animals (Rotifera)
- Spiny-headed worms (Acanthocephala)
- GASTROTRICHS (Gastrotricha)
- FLATWORMS (Platyhelminthes) including:
- Turbellarians (free-living flatworms)
- Monogeneans (Monogenea)
- Flukes (Digenea)
- Tape worms (Cestoda)
- CYCLIOPHORANS or WHEEL BEARERS (Cycliophora)
- RIBBON WORMS (Nemertea)
- HORSESHOE WORMS (Phoronida)
- MOSS ANIMALS or BRYOZOANS (Bryozoa or Ectoprocta)
- SEGMENTED WORMS (Annelida) including:
- Polychaetes (marine bristle worms)
- Oligochaetes (earthworms and kin)
- Leeches (Hirudinea)
- Beard, giant tube or red tube worms (Siboglinidae, subgroups are Pogonophora & Vestimentifera)
- Spoon worms (Echiura)
- Peanut worms or sipunculans (Sipuncula)
- Myzostomids (Myzostomida)
Leder: Professor Torsten H. Struck; overingeniør: Ann-Helén Rønning