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 © 2014-2022

IDNAME urn:idName:ifpni.org:genus:992CCC8C-D976-4F3D-9933-CB579D07B999 genus
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Primofilix

Genus Primofilix Doweld Bot. Zhurn. (Moscow & Leningrad), 86(12): 74. 21 Dec 2001
Name
Primofilix
Rank
Genus
Authors (Pub.)
Doweld A. B.  
Publication
Re-classification and nomenclatural adjustments in the genus Botryopteris (Pteridophyta) [2001/12]
Journal
Botanicheskii Zhurnal
Volume
86
Issue
12
Page number
74
Year
2001
Parent Taxon
[Family] Botryopteridiaceae
Fossil Status
foliage
Type
Primofilix antiqua
Diagnosis
Paleozoic ferns with protostelic stems; protoxylem mesarch; petioles oval, dimorphic, with а single or dimerous protoxylem system, monarch petioles developed in а spiral succession, diarch petioles developed sporophytic buds giving rise to radiaIly organized daughter plantlets; roots diarch; sporangia with а short pedicel and а horizontal multiseriate annulus, aggregated into clusters (not sori) of usualIy 3 sporangia; spores triangular, trilete, of the Granulatisporites-type.
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