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Checklist for Subclass Thecostraca Gruvel, 1905
and region Central Ontario (Southern Ontario, Ontario, Canada)


Class
 		Maxillopoda
Dahl, 1956
Maxillopods		12
23
26		Families
Genera
Species		 
Taxom
 

Subclass
 		Thecostraca
Gruvel, 1905
3
6
7		Families
Genera
Species		 
Taxom
 


List of families for Central Ontario
3 Families width 7 Species
Balanidae Leach, 18064SpeciesTaxom
Archaeobalanidae Newman & Ross, 19762SpeciesTaxom
Chthamalidae Darwin, 18541SpeciesTaxom


Genera for Central Ontario
6 Genera with 7 Species
Amphibalanus Pitombo, 18541SpeciesTaxom
Austrominius Buckeridge, 18541SpeciesTaxom
Balanus Da Costa, 1854Barnacle2SpeciesTaxom
Chthamalus Ranzani, 19761SpeciesTaxom
Perforatus Pitombo, 17891SpeciesTaxom
Semibalanus Pilsbry, 17671SpeciesTaxom


Species list for Central Ontario
7 Species
Amphibalanus amphitrite Darwin, 1854Purple acorn barnacle
Austrominius modestus (Darwin, 1854)⇒ Elminius modestus Darwin, 1854
Balanus crenatus Bruguière, 1789Mountain ninebark
Balanus improvisus (Darwin, 1854)⇒ Amphibalanus improvisus Darwin, 1854
Chthamalus montagui Southward, 1976Montagu's Stellate Barnacle
Perforatus perforatus Bruguière, 1789
Semibalanus balanoides Linnaeus, 1767Acorn barnacle

Subnodes of Thecostraca with occurrences in Central Ontario
InfraclassCirripedia
Burmeister, 1834
Barnacles		3
6
7		Families
Genera
Species
Taxom



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