Species list, Checklist of Order Sessilia (Acorn barnacles) for Contra Costa 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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Contra Costa County

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INSECTOIDGERENGDARK LIGHT

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Checklist for Order Sessilia Lamarck, 1818 (Acorn barnacles)
and region Contra Costa County (California, USA)

Class	Maxillopoda Dahl, 1956 Maxillopods	11 15 16	Families Genera Species	Taxom
Subclass	Thecostraca Gruvel, 1905	3 4 5	Families Genera Species	Taxom
Infraclass	Cirripedia Burmeister, 1834 Barnacles	3 4 5	Families Genera Species	Taxom
Superorder	Thoracica Darwin, 1854 Barnacles	3 4 5	Families Genera Species	Taxom
Order	Sessilia Lamarck, 1818 Acorn barnacles, Sessile barnacles	2 3 5	Families Genera Species	Taxom

List of families for Contra Costa County
2 Families width 5 Species

Balanidae Leach, 1806		4	Species	Taxom
Coronulidae Leach, 1817	Whale barnacle	1	Species	Taxom

Genera for Contra Costa County
3 Genera with 5 Species

Amphibalanus Pitombo, 1854		1	Species	Taxom
Balanus Da Costa, 1854	Barnacle	3	Species	Taxom
Cryptolepas Dall, 1872		1	Species	Taxom

Species list for Contra Costa County
5 Species

Amphibalanus improvisus Darwin, 1854	Bay barnacle
Balanus balanus Linnaeus, 1758	Common barnacle
Balanus crenatus Bruguière, 1789	Mountain ninebark
Balanus glandula Darwin, 1854	Common Acorn Barnacle
Cryptolepas rachianecti Dall, 1872

Subnodes of Sessilia with occurrences in Contra Costa County

Suborder

Balanomorpha
Pilsbry, 1916
Acorn barnacles

2
3
5

Families
Genera
Species

Links, sources and further information

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