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Checklist for Subclass Thecostraca Gruvel, 1905
and region Skagit County (Washington, USA)


Class
 		Maxillopoda
Dahl, 1956
Maxillopods		7
10
12		Families
Genera
Species		 
Taxom
 

Subclass
 		Thecostraca
Gruvel, 1905
4
6
8		Families
Genera
Species		 
Taxom
 


List of families for Skagit County
4 Families width 8 Species
Balanidae (Leach, 1806)3SpeciesTaxom
Lepadidae Darwin, 1852Goose barnacles2SpeciesTaxom
Archaeobalanidae Newman & Ross, 19762SpeciesTaxom
Pollicipedidae Leach, 18171SpeciesTaxom


Genera for Skagit County
6 Genera with 8 Species
Balanus Da Costa, 1854Barnacle3SpeciesTaxom
Conchoderma von Olfers, 1789Whale Barnacles1SpeciesTaxom
Hesperibalanus Pilsbry, 19161SpeciesTaxom
Lepas Linnaeus, 1940Goose Barnacles1SpeciesTaxom
Pollicipes Leach, 17901SpeciesTaxom
Semibalanus Pilsbry, 17671SpeciesTaxom


Species list for Skagit County
8 Species
Balanus balanus Linnaeus, 1758Common barnacle
Balanus crenatus Bruguière, 1789Mountain ninebark
Balanus improvisus (Darwin, 1854)⇒ Amphibalanus improvisus Darwin, 1854
Conchoderma virgatum Spengler, 1789Goose Barnacle
Hesperibalanus hesperius Pilsbry, 1916
Lepas (Lepas) pacifica Henry, 1940Fendler's meadow-rue
Pollicipes pollicipes Gmelin, 1790Atlantic Goose Barnacle
Semibalanus balanoides Linnaeus, 1767Acorn barnacle

Subnodes of Thecostraca with occurrences in Skagit County
InfraclassCirripedia
Burmeister, 1834
Barnacles		4
6
8		Families
Genera
Species
Taxom



Links, sources and further information
Thecostraca at artfakta.se
Thecostraca at itis.gov
Thecostraca at marinespecies.org