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Free Content The Presence of a Sixth Lunule in the Sand Dollar, Mellita Quinquiesperforata

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The discovery of six-lunuled specimens of Mellita quinquiesperforata suggests that the placing of 5-lunuled and 6-lunuled sand dollars of the Atlantic coast of the United States into separate genera is no longer justified. It is proposed that the 6-lunuled sand dollar, Leodia sexiesperforata, be returned to the genus Mellita, thus restoring the old combination Mellita sexiesperforata.

Document Type: Research Article

Publication date: January 1, 1964

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