Photo of Animalia: species: Unidentified heart urchin 3 (Lizard Island Field Guide)

Photo of Animalia: species: Unidentified heart urchin 3

Numerous tests of Unidentified heart urchin 3 on the sediment surface at 24 metres depth on the east side of Lizard Island. Some are clearly recently dead as spines are still attached.
© Anne Hoggett

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