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 © 2014-2024

IDNAME urn:idName:ifpni.org:genus:60F4EB06-8CA1-4D68-855B-43F8B806A467 genus
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Helicophyton

Genus Helicophyton Y. Wang, H.-H. Xu Int. J. Pl. Sci., 163(3): 475. May 2002
Name
Helicophyton
Rank
Genus
Authors (Pub.)
Wang Y. Xu H.-H.  
Publication
A new fossil plant from the earliest Carboniferous of China [2002/5]
Journal
International Journal of Plant Sciences
Volume
163
Issue
3
Page number
475
Year
2002
Parent Taxon
[Class] Aneurophytopsida
Fossil Status
stems (with sporangia)
Type
Helicophyton dichotomum
Diagnosis
Plant with main axis and two orders of branches. Main axis erect, bearing helically attached firstand second-order branches, with one appendage at the base of each lateral branch. Sterile appendages alternately arranged on the second-order branch, dichotomizing up to five times. Fertile appendages alternately inserted on second-order branches, composed of sporangia and the supporting axial system, a pair of erect sporangia at each terminal. A dense terminal branching system is attached at the end of all branches.
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