Morphology:
Escharina vulgaris is an encrusting bryozoan that forms irregular, spreading patches, composed of a single layer of autozooids. Autozooids are oval to hexagonal and slightly convex. They are 0.45-0.6 by 0.3-0.4 mm.
Distribution:
Escharina vulgaris is distributed along western coasts of Britain, ranging from Madeira and the Mediterranean, north to the Isle of Man and Antrim. It has not been reported from Shetland, east coasts of Britain nor the Low counties or Denmark.
Habitat:
The species is able to colonise hard substrates, especially shells and small stones. It ranges from the lower shore to the edge of the continental shelf.
Taxonomic name: