Brown barnacle
A species of Chamaesipho Scientific name : Chamaesipho brunnea Genus : Chamaesipho
Brown barnacle, A species of Chamaesipho
Botanical name: Chamaesipho brunnea
Genus: Chamaesipho
Content
Description
Photo By naturewatchwidow , used under CC-BY-4.0 /Cropped and compressed from original 
Description
Chamaesipho brunnea is an intertidal barnacle common in New Zealand, in both the North Island and the South Island. Juveniles have six shell wall plates, reducing to four in adults, and with age, all plates become concrescent, with no trace of sutures inside or out. Shell is brown colored. The related, and sometimes associated Chamaesipho columna is much smaller in size, by nearly half, while Elminius, which can associate with both species, also has four shell wall plates, but plates remain distinct at all stages. The shell of C. columna corrodes to a pitted surface, while that of C. brunnea has a lamellar corrosion.
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Scientific Classification
Phylum
Arthropods Class
Maxillopoda Order
Sessile barnacles Family
Star barnacles Genus
Chamaesipho Species
Brown barnacle 
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