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

Species

Add a new Species

Extended search

Search only by first symbols

Author

Rank

Toggle ranks

Original spelling

Year (from/to)

Paleoregion

Sort by: Year

Total: 68256

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

species valid

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

species valid

Phyllites dombeyopsoides Knowlt. Profess. Pap. U.S. Geol. Surv., 130: 166. Nov 1922

species unavailable

Phyllites dombeyopsoides Knowlt. Bull. U.S. Geol. Surv., 1919, (696): 445. 13 Feb 1920