EUNIS habitat type hierarchical view (marine version 2022 & terrestrial version 2021)
The EUNIS habitat classification review is on-going. Four groups are pending review: Inland waters, Wetlands, Constructed, industrial and other artificial habitats and Complexes.-
M : Marine benthic habitats (MA-MG)
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MA1 : Littoral rock
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MA11 : Arctic littoral rock
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MA12 : Atlantic littoral rock
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MA121 : Lichens or small green algae on Atlantic supralittoral and littoral fringe rock
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MA122 : Mytilus edulis and/or barnacle communities on wave-exposed Atlantic littoral rock
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MA123 : Seaweed communities on full salinity Atlantic littoral rock
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MA124 : Mussel and/or barnacle communities with seaweeds on Atlantic littoral rock
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MA1241 : Pelvetia canaliculata and barnacles on moderately exposed littoral fringe rock
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MA1242 : Fucus spiralis on full salinity exposed to moderately exposed upper eulittoral rock
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MA1243 : Fucus vesiculosus and barnacle mosaics on moderately exposed mid eulittoral rock
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MA1244 : Fucus serratus on moderately exposed lower eulittoral rock
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MA12441 : Fucus serratus and red seaweeds on moderately exposed lower eulittoral rock
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MA12442 : Fucus serratus and under-boulder fauna on exposed to moderately exposed lower eulittoral boulders
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MA12443 : Fucus serratus and piddocks on lower eulittoral soft rock
![Rhodothamniella floridula [on sand-scoured lower eulittoral rock](images/img_bullet.gif)
![Mytilus edulis [and] Fucus vesiculosus [on moderately exposed mid eulittoral rock](images/img_bullet.gif)
![Mytilus edulis, Fucus serratus [and red seaweeds on moderately exposed lower eulittoral rock](images/img_bullet.gif)
![Mytilus edulis [and piddocks on eulittoral firm clay](images/img_bullet.gif)
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![Arctic lower bathyal biogenic habitat](images/img_bullet.gif)
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![Black Sea lower bathyal biogenic habitat](images/img_bullet.gif)
![Mediterranean lower bathyal biogenic habitat](images/img_bullet.gif)
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![Pannonian and Pontic sandy steppe](images/img_bullet.gif)
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![Continental dry rocky steppic grassland and dwarf scrub on chalk outcrops](images/img_bullet.gif)
![Perennial rocky grassland of Central and South-Eastern Europe](images/img_bullet.gif)
![Heavy-metal dry grassland of the Balkans](images/img_bullet.gif)
![Perennial rocky calcareous grassland of subatlantic-submediterranean Europe](images/img_bullet.gif)
![Dry steppic submediterranean pasture of the Amphi-Adriatic region](images/img_bullet.gif)
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![Cyrno-Sardean oromediterranean siliceous dry grassland](images/img_bullet.gif)
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![Madeiran oromediterranean siliceous dry grassland](images/img_bullet.gif)
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![Azorean open, dry, acid to neutral grassland](images/img_bullet.gif)
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