The Echinoid Directory

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Brissopsis lyrifera (Forbes, 1841); recent; from Loven (1874: pl. 12, figs 100-101). Apical disc (100: external view; 101: internal view). Loven, S. 1874. Eudes sur les EchinoIdees. Kongelige Svenska Vetenskaps-Akademiens Handlingar 11: 1-91.