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Checklist for Order Sessilia Lamarck, 1818 (Acorn barnacles)
and region Finland (Fennoscandia)


Class
 		Maxillopoda
Dahl, 1956
Maxillopods		30
75
181		Families
Genera
Species		 
Taxom
 

Subclass
 		Thecostraca
Gruvel, 1905
3
4
4		Families
Genera
Species		 
Taxom
 

Infraclass
 		Cirripedia
Burmeister, 1834
Barnacles		3
4
4		Families
Genera
Species		 
Taxom
 

Superorder
 		Thoracica
Darwin, 1854
Barnacles		3
4
4		Families
Genera
Species		 
Taxom
 

Order
 		Sessilia
Lamarck, 1818
Acorn barnacles, Sessile barnacles		2
3
3		Families
Genera
Species		 
Taxom
 


List of families for Finland
2 Families width 3 Species
Balanidae (Leach, 1806)2SpeciesTaxom
Archaeobalanidae Newman & Ross, 19761SpeciesTaxom


Genera for Finland
3 Genera with 3 Species
Amphibalanus Pitombo, 18541SpeciesTaxom
Balanus Da Costa, 1854Barnacle1SpeciesTaxom
Semibalanus Pilsbry, 17671SpeciesTaxom


Species list for Finland
3 Species
Amphibalanus improvisus Darwin, 1854Bay barnacle
Balanus improvisus (Darwin, 1854)⇒ Amphibalanus improvisus Darwin, 1854
Semibalanus balanoides Linnaeus, 1767Acorn barnacle

Subnodes of Sessilia with occurrences in Finland
SuborderBalanomorpha
Pilsbry, 1916
Acorn barnacles		2
3
3		Families
Genera
Species
Taxom



Links, sources and further information
Sessilia at gbif.org
Sessilia at irmng.org
Sessilia at itis.gov
Sessilia at marinespecies.org