Barnacle Matching Game

Each image can only have one answer.
The lifeform in the centerish of the image is the important one.

1)

Balanus glandula
Chthamalus spp.
Megabalanus californicus
Semibalanus cariosus
Pollicipes polymerus
Tetraclita rubescens
   

2)

Balanus glandula
Chthamalus spp.
Megabalanus californicus
Semibalanus cariosus
Pollicipes polymerus
Tetraclita rubescens
   

3)

Balanus glandula
Chthamalus spp.
Megabalanus californicus
Semibalanus cariosus
Pollicipes polymerus
Tetraclita rubescens
   

4)

Balanus glandula
Chthamalus spp.
Megabalanus californicus
Semibalanus cariosus
Pollicipes polymerus
Tetraclita rubescens
   

5)

Balanus glandula
Chthamalus spp.
Megabalanus californicus
Semibalanus cariosus
Pollicipes polymerus
Tetraclita rubescens
   

6)

Balanus glandula
Chthamalus spp.
Megabalanus californicus
Semibalanus cariosus
Pollicipes polymerus
Tetraclita rubescens

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