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Keywords from Image Description:
FMIB DeepSea SeaUrchins.jpeg DeepSea SeaUrchins Lovenia gregalis from the Bay of Bengal fathoms The hairlike and bristlelike spines with which it is covered have been removed Subject Sea urchins Lovenia Tag Invertebrates Cite book Naturalist in Indian Seas or Four Years with the Royal Indian Marine Survey Ship 'Investigator' Alcock