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Total: 39

genus valid

Genus Zamiopsis Fontaine Monogr. U.S. Geol. Surv., 15(1 [Text], 2 [Atlas]): 88. Nov 1889

genus unavailable

Genus Vitiphyllum Fontaine Monogr. U.S. Geol. Surv., 15(1 [Text], 2 [Atlas]): 308. Nov 1889

genus unavailable

Genus Ulmophyllum Fontaine in T.Post Lex. Gen. Phan. 580. 20-30 Nov 1903

genus valid

Genus Ulmiphyllum Fontaine Monogr. U.S. Geol. Surv., 15(1 [Text], 2 [Atlas]): 312. Nov 1889

genus valid

Genus Tysonia Fontaine Monogr. U.S. Geol. Surv., 15(1 [Text], 2 [Atlas]): 186. Nov 1889

genus valid

Genus Saportaea Fontaine, I.C. White Sec. Geol. Surv. Pennsylvania Rept. Progr., PP: 99. Jun 1880

genus valid

Genus Sapindopsis Fontaine Monogr. U.S. Geol. Surv., 15(1 [Text], 2 [Atlas]): 296. Nov 1889

genus unavailable

Genus Saliciphyllum Fontaine Monogr. U.S. Geol. Surv., 15(1 [Text], 2 [Atlas]): 302. Nov 1889

genus valid

Genus Rogersia Fontaine Monogr. U.S. Geol. Surv., 15(1 [Text], 2 [Atlas]): 287. Nov 1889

genus valid

Genus Quercophyllum Fontaine Monogr. U.S. Geol. Surv., 15(1 [Text], 2 [Atlas]): 307. Nov 1889

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