• Kingdom: Animalia
  • Phylum: Bryozoa
  • Class: Gymnolaemata
  • Order: Cheilostomatida
  • Suborder: Neocheilostomatina
  • Infraorder: Ascophora
  • Superfamily: Lepralielloidea
  • Family: Bryocryptellidae
  • Scientific name: Porella compressa
  • Norwegian: korallmosdyr


This bushy colony has flattened branches, defining a single plane. The colony is hard, like a stony coral. It may grow to a height of 8 cm. The color varies, but different shades of orange are common.


On sheltered locations it can be found on 10 meters depth, but it is far more common below 30 meters. It sits on hard substrate.


It is registered along the Atlantic coasts of Europe, from Norway to Portugal, including the British Isles.