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: 18121

genus valid

Subgroup Ptychodiorina D.D. Pant Bot. Rev. (Lancaster), 20(1): 57. Jan 1954

genus valid

Group Triorosa D.D. Pant Bot. Rev. (Lancaster), 20(1): 57. Jan 1954

genus valid

Subgroup Triorina D.D. Pant Bot. Rev. (Lancaster), 20(1): 57. Jan 1954

genus valid

Subgroup Ptychotriorina D.D. Pant Bot. Rev. (Lancaster), 20(1): 57. Jan 1954

genus valid

Group Tetraorosa D.D. Pant Bot. Rev. (Lancaster), 20(1): 57. Jan 1954

genus valid

Subgroup Tetrorina D.D. Pant Bot. Rev. (Lancaster), 20(1): 57. Jan 1954

genus valid

Subgroup Ptychotetrorina D.D. Pant Bot. Rev. (Lancaster), 20(1): 57. Jan 1954

genus valid

Subgroup Pentorina D.D. Pant Bot. Rev. (Lancaster), 20(1): 57. Jan 1954

genus valid

Subgroup Ptychopentorina D.D. Pant Bot. Rev. (Lancaster), 20(1): 57. Jan 1954

genus valid

Subgroup PtychopoIyorina D.D. Pant Bot. Rev. (Lancaster), 20(1): 57. Jan 1954