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: 70463

species valid

Pteris russellii Newb. Proc. U.S. Natl. Mus., 1882, 5: 503. 28 Feb 1883

species valid

Delesseria incrassata Lesq. Rep. (Annual) U.S. Geol. Surv. Territ., 6: 374. 1873

species valid

Chondrites subsimplex Lesq. Rep. (Annual) U.S. Geol. Surv. Territ., 6: 373. 1873

species valid

Helminthoida vaga E.O. Ulrich Harriman Alaska Exped., 4: 143. 18 Feb 1904

species valid

Helminthoida subcrassa E.O. Ulrich Harriman Alaska Exped., 4: 142. 18 Feb 1904

species valid

Helminthoida exacta E.O. Ulrich Harriman Alaska Exped., 4: 142. 18 Feb 1904

species valid

Helminthoida abnormis E.O. Ulrich Harriman Alaska Exped., 4: 143. 18 Feb 1904

species valid

Hedera decurrens Lesq. Monogr. U.S. Geol. Surv., 1891, 17: 130. Oct 1892

species valid

Halymenites striatus Lesq. Rep. (Annual) U.S. Geol. Surv. Territ., 6: 373. 1873

species valid

Halymenites major Lesq. Rep. (Annual) U.S. Geol. Surv. Territ., 6: 373. 1873