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Total: 3

genus valid

Genus Gordia Emmons Taconic Syst. 24. 2-31 Dec 1844

genus valid

Genus Comephyllum Emmons Amer. Geol., (6): 128. 11 May 1857

genus unavailable

Genus Echinocarpus Emmons Amer. Geol., (6): 111. 11 May 1857

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