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:species:FEBCC01C-632C-1A5F-E788-42709FB8CC21 species
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Gleditsioxylon riojanum

Gleditsioxylon riojanum L.C.A. Martínez in L.C.A. Martínez, Rodr.-Briz. Geobios (Lyon), 44(5): 463. 10 Nov 2011
Name
Gleditsioxylon riojanum
Rank
Species
Original spelling
Gleditisioxylon riojana
Generic Name
[Genus] Gleditsioxylon
Authors (Name)
Martínez L. C. A.  
Authors (Pub.)
Martínez L. C. A. Rodríguez-Brizuela R.  
Publication
Gleditisioxylon riojana nov. sp. en el Neógeno de Argentina: sus relaciones paleoambientales y biogeográficas [2011/11]
Journal
Geobios
Volume
44
Issue
5
Page number
463
Year
2011
Fossil Status
stems (wood)
Stratigraphy
Miocene
Strat. comment
Formación Toro Negro
Location
Quebrada de la Troya, La Rioja, Argentina
Paleoregion
America (South)
Data for Holotypus
Repository
Universidad Nacional del Nordeste, Facultad de Ciencias Exactas y Naturales y Agrimensura, Chaco, Corrientes, Argentina
Repository Number
CTES PB-12371, PMP-3007, PMP-3008 & PMP- 3009
Diagnosis
Secondary wood. Growth rings boundaries distinct. Semi-annular porosity. Vessels in diagonal or random pattern. Vessels circular to subcircular in outline, solitary, in clusters or radials multiples. Vessel elements short. Intervessel pits small to medium, oval to circular, alternate and vestured. Helical thickenings in vessel elements. Tyloses. Perforation plates simple. Vessels ray-pits similar to intervessel pits. Rays homocellular, procumbent cells, 2-6 seriate (Kribs Homogeneous type II). Abundant axial parenchyma paratracheal vasicentric, conuent to banded, in longitudinal section in strands. Marginal parenchyma with prismatic crystals. Fibres with simple pits from thin to thick-walled.

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