ANNELIDA : : CapitellidaeANNELID WORMS

Mediomastus fragilis Rasmussen, 1973


Distribution Map from NBN: Mediomastus fragilis at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Mediomastus fragilis at iNaturalist World Species Observations database.

WoRMS: Mediomastus fragilis at World Register of Marine Species.

 Picton, B.E., Keatley, L. & Morrow, C.C. (2026). Mediomastus fragilis. Rasmussen, 1973. [In] Encyclopedia of Marine Life of Britain and Ireland.
https://habitas.org/mbdp/species.php?item=P15580. Accessed on 2026-11-02