Species list, Checklist of Order Sessilia (Acorn barnacles) for Ascension (Saint Helena, Ascension and Tristan da Cunha)

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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British overseas territory Atlantic

Saint Helena, Ascension and Tristan da Cunha

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INSECTOIDGERENGDARK LIGHT

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Checklist for Order Sessilia Lamarck, 1818 (Acorn barnacles)
and region Ascension (Saint Helena, Ascension and Tristan da Cunha)

Class	Maxillopoda Dahl, 1956 Maxillopods	21 36 41	Families Genera Species	Taxom
Subclass	Thecostraca Gruvel, 1905	4 6 8	Families Genera Species	Taxom
Infraclass	Cirripedia Burmeister, 1834 Barnacles	4 6 8	Families Genera Species	Taxom
Superorder	Thoracica Darwin, 1854 Barnacles	4 6 8	Families Genera Species	Taxom
Order	Sessilia Lamarck, 1818 Acorn barnacles, Sessile barnacles	1 2 3	Family Genera Species	Taxom

List of families for Ascension
1 Family width 3 Species

Balanidae Leach, 1806

3

Species

Genera for Ascension
2 Genera with 3 Species

Austromegabalanus Newman, 1967		2	Species	Taxom
Megabalanus Hoek, 1916		1	Species	Taxom

Species list for Ascension
3 Species

Austromegabalanus cylindricus Gmelin, 1791
Austromegabalanus isolde Holthius & S..., 1967
Megabalanus azoricus Pilsbry, 1916	Azorean barnacle

Subnodes of Sessilia with occurrences in Ascension

Suborder

Balanomorpha
Pilsbry, 1916
Acorn barnacles

1
2
3

Family
Genera
Species

Links, sources and further information

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