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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Total: 70591

species valid

Cycadeoidea colossalis Ward Proc. U.S. Natl. Mus., 21(1141): 197. 29 Oct 1898

species valid

Bennettites dacotensis T. Macbr. Amer. Geol., 12(4): 249. Oct 1893

species valid

Cycadeoidea dacotensis (T. Macbr.) Ward Proc. Biol. Soc. Washington, 9: 86. 9 Apr 1894

species valid

Cycadeoidea bibbinsii Ward Proc. Biol. Soc. Washington, 11: 15. 13 Mar 1897

species valid

Cycadeoidea uhleri Ward Proc. Biol. Soc. Washington, 11: 14. 13 Mar 1897

species valid

Cycadeoidea goucheriana Ward Proc. Biol. Soc. Washington, 11: 14. 13 Mar 1897

species valid

Cycadeoidea fontaineana Ward Proc. Biol. Soc. Washington, 11: 13. 13 Mar 1897

species valid

Cycadeoidea macgeeana Ward Proc. Biol. Soc. Washington, 11: 12. 13 Mar 1897

species valid

Cycadeoidea tysoniana Ward Proc. Biol. Soc. Washington, 11: 11. 13 Mar 1897

species valid

Sonneratioxylon dakshinense Ramanujam Palaeobotanist, 1956, 5(2): 78, 81. Dec 1957