Ali, M. S. M. 1983. A new Echinolampas species (Cassiduloida: Echinoidea) from the Middle Eocene of Egypt. Journal of the Palaeontological Society of India 28, 56-58.
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Ali, M. S. M.
1983
A new Echinolampas species (Cassiduloida: Echinoidea) from the Middle Eocene of Egypt