Tonicella undocaerulea

Blue-lined chiton:

Blue-lined chiton (Tonicella undocaerulea): This beautiful species has unique blue waves on the dorsal plates. Unlike Tonicella lineata, this species tends to be orange or pink, and usually has blue lines on all its plates. To be more certain of your identification, look closely at the head plate: T. lineata almost always has the concentric lines on the headplate bordered by dark brown lines, while in T. undocaerulea they are not. Also, the lines on the headplate of T. undocaerulea are strongly zigzagged, this is uncommon in T. lineata.

Local Notes

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References

Weblinks

• WoRMS page for Tonicella undocaerulea

• WoRMS Page for Tonicella undocaerulea
• Search Arctos Database for Tonicella undocaerulea (Southeast only)
• Search Arctos Database for Tonicella undocaerulea (entire database)
• Encyclopedia of Life search for Tonicella undocaerulea
• iNaturalist Observations for Tonicella undocaerulea in Southeast Alaska

Other References

• Lamb Hanby 2005

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Related Files

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  Blue-lined chiton (Tonicella undocaerulea)

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  Blue-lined chiton (Tonicella undocaerulea) at Parker Group

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