# Eucidaris tribuloides (Slate-pencil Urchin)

- By: Nhobgood (talk) Nick Hobgood
- Date: 2010-06-03
- Classification: Photograph
- Museum: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Eucidaris_tribuloides_(Slate-pencil_Urchin).jpg)
- Rights: [CC BY-SA 3.0](https://creativecommons.org/licenses/by-sa/3.0)
- Picture: https://invisiblenetwork.ai/thumbs/commons/thumb/b/ba/Eucidaris_tribuloides_%28Slate-pencil_Urchin%29.jpg/1920px-Eucidaris_tribuloides_%28Slate-pencil_Urchin%29.jpg
- Who can see it: Kids profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)

Eucidaris tribuloides (Slate-pencil Urchin).