Description: A thin encrusting sponge with 2 mm long spicules emerging from the surface. Identification requires examination of skeletal characters.

Habitat: Only known from a few specimens, which were found on dead bivalve shells.

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

iNaturalist: Eurypon coronula at iNaturalist World Species Observations database.

WoRMS: Eurypon coronula at World Register of Marine Species.