Images gallery for
Echinoidea
and descendants in Green Island field guide
Hidden Urchin (Tripneustes gratilla)
© Lyle Vail and Anne Hoggett
Hidden Urchin (Tripneustes gratilla)
© David Witherall and Tanya McGahey
Hidden Urchin (Tripneustes gratilla)
© Lyle Vail and Anne Hoggett
Hidden Urchin (Tripneustes gratilla)
© Lyle Vail