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Zamuneria
Genus Zamuneria L.C.A. Martínez, A. Iglesias, Artabe in L.C.A. Martínez, A. Iglesias, Artabe, A.N. Varela, Apest. Cretac. Res., 2017, 72(10.1016/j.cretres.2016.12.008): 83. 18 Dec 2016
- Name
- Zamuneria
- Rank
- Genus
- Authors (Name)
- Martínez L. C. A.
Iglesias A.
Artabe A. E.
- Authors (Pub.)
- Martínez L. C. A.
Iglesias A.
Artabe A. E.
Varela A. N.
Apesteguía S.
- Publication
- A new Encephalarteae trunk (Cycadales) from the Cretaceous of Patagonia (Mata Amarilla Formation, Austral Basin), Argentina [2016/12]
- Journal
- Cretaceous Research
- Annee/Jahrgang
- 2017
- Volume
- 72
- Issue
- 10.1016/j.cretres.2016.12.008
- Page number
- 83
- Year
- 2016
- Parent Taxon
- [Family] Encephalartaceae
- Fossil Status
- stems
- Type
- Zamuneria amyla
- Diagnosis
- Columnar, polyxylic stem, covered by persistent
rhomboidal leaf bases and cataphylls. Parenchymatous central
pith with mucilage canals, idioblasts and medullary vascular
bundles. Cylindrical vascular system centrifugal, with many rings
of manoxylic secondary xylem and phloem, containing primary
and secondary rays. Primary rays with leaf traces and a mucilage
canal associated. Parenchymatous cortex with mucilage canals,
idioblasts and girdling leaf traces in the cortex.
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