Species list, Checklist of Order Sessilia (Acorn barnacles) for Alameda County (California, USA)

Ants	Arachnids
Bees	Beetles
Booklice	Bugs
Bumblebees	Butterflies
Cicadas	Crane flies
Dragonflies	Earwigs
Flies	Isopods
Locusts	Mantises
Mayflies	Mosquitoes
Myriapods	Net-winged
Plant-parasitic	Scorpion flies
Termites	Wasps

Taxonomy & Distribution
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Checklist for Order Sessilia Lamarck, 1818 (Acorn barnacles)
and region Alameda County (California, USA)

Class	Maxillopoda Dahl, 1956 Maxillopods	3 5 7	Families Genera Species	Taxom
Subclass	Thecostraca Gruvel, 1905	1 3 6	Family Genera Species	Taxom
Infraclass	Cirripedia Burmeister, 1834 Barnacles	1 3 6	Family Genera Species	Taxom
Superorder	Thoracica Darwin, 1854 Barnacles	1 3 6	Family Genera Species	Taxom
Order	Sessilia Lamarck, 1818 Acorn barnacles, Sessile barnacles	1 3 6	Family Genera Species	Taxom

List of families for Alameda County
1 Family width 6 Species

Balanidae Leach, 1806

6

Species

Genera for Alameda County
3 Genera with 6 Species

Amphibalanus Pitombo, 1854		1	Species	Taxom
Balanus Da Costa, 1854	Barnacle	4	Species	Taxom
Concavus Newman, 1831		1	Species	Taxom

Species list for Alameda County
6 Species

Amphibalanus improvisus Darwin, 1854	Bay barnacle
Balanus amphitrite (Darwin, 1854)	⇒ Amphibalanus amphitrite Darwin, 1854
Balanus balanus Linnaeus, 1758	Common barnacle
Balanus spongicola Brown, 1844
Balanus trigonus Darwin, 1854	Three-cornered barnacle
Concavus concavus Brown, 1831

Subnodes of Sessilia with occurrences in Alameda County

Suborder

Balanomorpha
Pilsbry, 1916
Acorn barnacles

1
3
6

Family
Genera
Species

Links, sources and further information

Sessilia at gbif.org
Sessilia at irmng.org
Sessilia at itis.gov
Sessilia at marinespecies.org