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Image of Thylacodes zelandicus (Quoy & Gaimard 1834)

Image of Thylacodes zelandicus (Quoy & Gaimard 1834)

Description:

I'm not exactly sure what this is. It could be some type of gastropod shell, or it could be the calcified tunnel of a polychaete worm. I found it washed up on the beach.

Source Information

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cc-by-nc-4.0
copyright
Lisa Bennett
original
original media file
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iNaturalist
ID
https://www.inaturalist.org/photos/1497018