Medium
Photo © stingraydoctor, some rights reserved
531–899 University Rd, Friday Harbor, Washington, US (Google, OSM)
48.545797, -123.012418
Accuracy: 5m
open
May. 24, 2012 10:41:20 -0700
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Comments & Identifications

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Acorn Barnacle - Photo (c) tewksjj, some rights reserved (CC BY-NC-SA), uploaded by Joshua Tewksbury
stingraydoctor's ID: Acorn Barnacle (Balanus glandula)
Posted by stingraydoctor over 2 years ago (Flag)
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Right in the center is Balanus glandula. The height above low tide and the diamond shape opening are the diagnostic characters. There is a Nucella snail hidden in the crevice and another genus of barnacle in the upper left.

Posted by stingraydoctor over 2 years ago (Flag)
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Balanus - Photo (c) Ken-ichi Ueda, some rights reserved (CC BY-NC)
invertboy's ID: Genus Balanus, a member of Barnacles (Order Sessilia)

You're most likely correct, but without seeing the terga and scuta, I'd only be willing to go to genus.

Posted by invertboy over 2 years ago (Flag)
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Identification Summary

Acorn Barnacle - Photo (c) tewksjj, some rights reserved (CC BY-NC-SA), uploaded by Joshua Tewksbury
stingraydoctor's ID: Acorn Barnacle (Balanus glandula)
Balanus - Photo (c) Ken-ichi Ueda, some rights reserved (CC BY-NC)
Community ID: Genus Balanus, a member of Barnacles (Order Sessilia)
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invertboy 1 person agrees

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Data Quality Assessment

Community-supported ID? Yes
2 people agree
0 people disagree
Date? Yes
Georeferenced? Yes
Photos or sounds? Yes
Is the organism wild/naturalized? Unknown
What do you think?
Yes / No
Does the location seem accurate? Unknown
What do you think?
Yes / No
Does the date seem accurate? Unknown
What do you think?
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Appropriate? Yes
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Observation © stingraydoctor
Cc-by_small some rights reserved

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