The INTERNATIONAL FOSSIL PLANT NAMES INDEX
Global registry of scientific names of fossil organisms covered by the International Code of Nomenclature for Algae, Fungi, and Plants and the International Code of Zoological Nomenclature © 2014-2025

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Paleoregion

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Total: 69843

species valid

Nageiopsis inaequilateralis Fontaine Monogr. U.S. Geol. Surv., 15(1 [Text], 2 [Atlas]): 200. Nov 1889

species valid

Nageiopsis obtusifolia Fontaine Monogr. U.S. Geol. Surv., 15(1 [Text], 2 [Atlas]): 200. Nov 1889

species valid

Nageiopsis ovata Fontaine Monogr. U.S. Geol. Surv., 15(1 [Text], 2 [Atlas]): 199. Nov 1889

species valid

Nageiopsis decrescens Fontaine Monogr. U.S. Geol. Surv., 15(1 [Text], 2 [Atlas]): 199. Nov 1889

species valid

Nageiopsis crassicaulis Fontaine Monogr. U.S. Geol. Surv., 15(1 [Text], 2 [Atlas]): 198. Nov 1889

species valid

Nageiopsis recurvata Fontaine Monogr. U.S. Geol. Surv., 15(1 [Text], 2 [Atlas]): 197. Nov 1889

species valid

Cycadolepis sixteliae Vachr. in Vachr., Dolud. Trudy Geol. Inst. Akad. Nauk SSSR, 1961, (54): 100. 2 Jan 1962

species valid

Williamsonia brickiae Turut.-Ket. Trudy Bot. Inst. Akad. Nauk SSSR, Ser. 8, Paleobot., (4): 17. 12 Feb 1963

species valid

Nageiopsis zamioides Fontaine Monogr. U.S. Geol. Surv., 15(1 [Text], 2 [Atlas]): 196. Nov 1889

species valid

Podozamites acutifolius Fontaine Monogr. U.S. Geol. Surv., 15(1 [Text], 2 [Atlas]): 181. Nov 1889