Species list, Checklist of Order Sessilia (Acorn barnacles) for Placer County (Eastern California, 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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Eastern California

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INSECTOIDGERENGDARK LIGHT

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

Class	Maxillopoda Dahl, 1956 Maxillopods	6 9 10	Families Genera Species	Taxom
Subclass	Thecostraca Gruvel, 1905	2 4 5	Families Genera Species	Taxom
Infraclass	Cirripedia Burmeister, 1834 Barnacles	2 4 5	Families Genera Species	Taxom
Superorder	Thoracica Darwin, 1854 Barnacles	2 4 5	Families Genera Species	Taxom
Order	Sessilia Lamarck, 1818 Acorn barnacles, Sessile barnacles	2 4 5	Families Genera Species	Taxom

List of families for Placer County
2 Families width 5 Species

Balanidae Leach, 1806		4	Species	Taxom
Tetraclitidae Gruvel, 1903		1	Species	Taxom

Genera for Placer County
4 Genera with 5 Species

Balanus Da Costa, 1854	Barnacle	2	Species	Taxom
Megabalanus Hoek, 1992		1	Species	Taxom
Notomegabalanus Newman, 1916		1	Species	Taxom
Tesseropora Pilsbry, 1848		1	Species	Taxom

Species list for Placer County
5 Species

Balanus crenatus Bruguière, 1789	Mountain ninebark
Balanus trigonus Darwin, 1854	Three-cornered barnacle
Megabalanus rosa Choi, Anders..., 1992
Notomegabalanus algicola Pilsbry, 1916
Tesseropora rosea Krauss, 1848	Rose Barnacle

Subnodes of Sessilia with occurrences in Placer County

Suborder

Balanomorpha
Pilsbry, 1916
Acorn barnacles

2
4
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