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Crustacea Copenhagen
Why Darwin?
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Crustacea Copenhagen
Why Darwin?
1859 The origin of species
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Crustacea Copenhagen
Why Darwin?
1851. A monograph on the sub-class Cirripedia,
with figures of all the species. The Lepadidae
or, pedunculated cirripedes.
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Crustacea Copenhagen
Why Darwin?
1851. A monograph on the sub-class Cirripedia,
with figures of all the species. The Lepadidae
or, pedunculated cirripedes.
1851. A monograph of the fossil Lepadidae, or,
pedunculated cirripedes of Great Britian.
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Crustacea Copenhagen
Why Darwin?
1851. A monograph on the sub-class Cirripedia,
with figures of all the species. The Lepadidae
or, pedunculated cirripedes.
1851. A monograph of the fossil Lepadidae, or,
pedunculated cirripedes of Great Britian.
1854. A monograph on the fossil Balanidae and
Verrucidae of Great Britain
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Crustacea Copenhagen
Why Darwin?
1851. A monograph on the sub-class Cirripedia,
with figures of all the species. The Lepadidae
or, pedunculated cirripedes.
1851. A monograph of the fossil Lepadidae, or,
pedunculated cirripedes of Great Britian.
1854. A monograph on the fossil Balanidae and
Verrucidae of Great Britain
1854. A monograph on the sub-class Cirripedia,
with figures of all the species. The Balanidae,
(or sessile cirripedes) the Verrucidae, etc.,
etc., etc..
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Crustacea Copenhagen
Why Darwin?
1851. A monograph on the sub-class Cirripedia,
with figures of all the species. The Lepadidae
or, pedunculated cirripedes.
1851. A monograph of the fossil Lepadidae, or,
pedunculated cirripedes of Great Britian.
1854. A monograph on the fossil Balanidae and
Verrucidae of Great Britain
1854. A monograph on the sub-class Cirripedia,
with figures of all the species. The Balanidae,
(or sessile cirripedes) the Verrucidae, etc.,
etc., etc..
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Crustacea Copenhagen
Darwin We live in the age of barnacles
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Crustacea Copenhagen
Barnacles are everywhere!
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Crustacea Copenhagen
Barnacles are everywhere!
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Crustacea Copenhagen
Barnacles are everywhere!
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Crustacea Copenhagen
Man and barnacles
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Crustacea Copenhagen
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Crustacea Copenhagen
Cirripedes
Filter-feeding sessiles
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Crustacea Copenhagen
Cirripedes
Filter-feeding sessiles
Parasites on decapods
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Crustacea Copenhagen
Cirripedes
Filter-feeding sessiles
Parasites on decapods
What keeps them together? What are the
synapomorphies
This speaker read Hennig in 1975 ???
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Crustacea Copenhagen
Cirripedes
Filter-feeding sessiles
Parasites on decapods
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Crustacea Copenhagen
The cirripede lifecyle
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Crustacea Copenhagen
Nauplius
The cirripede lifecyle
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Crustacea Copenhagen
Nauplius
The cirripede lifecyle
With frontolateral horns
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Crustacea Copenhagen
Nauplius
With frontolateral horns
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Crustacea Copenhagen
Cypris
The cirripede lifecyle
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Crustacea Copenhagen
Cypris
The cirripede lifecyle

• Thoracopods
• Swimming

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Crustacea Copenhagen
Cypris
The cirripede lifecyle

• Antennules
• Walking

• Thoracopods
• Swimming

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Crustacea Copenhagen
Cypris
Six pairs of thoracopods

• Antennules
• Walking

• Thoracopods
• Swimming

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Crustacea Copenhagen
Cypris
Six pairs of thoracopods

• Antennules
• Walking

• Thoracopods
• Swimming

A pair of antennules
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Crustacea Copenhagen
Cypris
Six pairs of thoracopods

• Antennules
• Walking

• Thoracopods
• Swimming

A pair of antennules
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3
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Crustacea Copenhagen
Cypris
Six pairs of thoracopods
A pair of antennules
2
3
4
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Crustacea Copenhagen
Cypris
Six pairs of thoracopods
A pair of antennules
2
3
4
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Crustacea Copenhagen
Cypris
The cirripede lifecyle

• Antennules
• Walking

• Thoracopods
• Swimming