Species list, Checklist of Order Sessilia (Acorn barnacles) for Pacific County (Washington, 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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INSECTOIDGERENGDARK LIGHT

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Checklist for Order Sessilia Lamarck, 1818 (Acorn barnacles)
and region Pacific County (Washington, USA)

Class	Maxillopoda Dahl, 1956 Maxillopods	17 19 25	Families Genera Species	Taxom
Subclass	Thecostraca Gruvel, 1905	8 9 15	Families Genera Species	Taxom
Infraclass	Cirripedia Burmeister, 1834 Barnacles	8 9 15	Families Genera Species	Taxom
Superorder	Thoracica Darwin, 1854 Barnacles	6 7 12	Families Genera Species	Taxom
Order	Sessilia Lamarck, 1818 Acorn barnacles, Sessile barnacles	3 3 7	Families Genera Species	Taxom

List of families for Pacific County
3 Families width 7 Species

Balanidae Leach, 1806		4	Species	Taxom
Coronulidae Leach, 1817	Whale barnacle	1	Species	Taxom
Archaeobalanidae Newman & Ross, 1976		2	Species	Taxom

Genera for Pacific County
3 Genera with 7 Species

Balanus Da Costa, 1927	Barnacle	4	Species	Taxom
Coronula Lamarck, 1767		1	Species	Taxom
Semibalanus Pilsbry, 1788		2	Species	Taxom

Species list for Pacific County
7 Species

Balanus crenatus Bruguière, 1789	Mountain ninebark
Balanus glandula Darwin, 1854	Common Acorn Barnacle
Balanus improvisus (Darwin, 1854)	⇒ Amphibalanus improvisus Darwin, 1854
Balanus sookensis Cornwall, 1927
Coronula diadema Linnaeus, 1767	Humpback Whale Barnacle
Semibalanus balanoides Linnaeus, 1767	Acorn barnacle
Semibalanus cariosus Pallas, 1788	Thatched barnacle

Subnodes of Sessilia with occurrences in Pacific County

Suborder

Balanomorpha
Pilsbry, 1916
Acorn barnacles

3
3
7

Families
Genera
Species

Links, sources and further information

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