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:42B7C5D3-9905-6328-B6FC-D6F1D36B960E species
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Rarytkinia amaamensis

Rarytkinia amaamensis M. Moiseeva Paleontol. Zhurn., 2008, (3): 96. 2008
Name
Rarytkinia amaamensis
Rank
Species
Generic Name
[Genus] Rarytkinia
Authors (Pub.)
Moiseeva M. G.  
Publication
Novye pokrytosemennye iz maastrikhta rajona laguny Amaam (Severo-Vostok Rossii) [2008]
Journal
Paleontologicheskii Zhurnal
Annee/Jahrgang
2008
Issue
3
Page number
96
Year
2008
Fossil Status
leaves
Stratigraphy
Maastrichtian
Strat. comment
Korjakian suite
Location
mouth of Skalistyj Creek, left bank of Emima River, Amaam lagoon, Tchukotka Autonomous District, Russian Federation
Paleoregion
Eurasia (Far East)
Data for Holotypus
Repository
Geological Institute, Russian Academy of Sciences, Moscow, Russian Federation
Repository Number
4843/248
Diagnosis
Leaves simple, entire, from medium to large, the length to width ratio typically 2 : 1. Leaf lamina elliptical or ovate, symmetric. Leaf base cuneate, decurrent. Leaf apex acute or slightly rounded. Leaf margin undulate-crenate or undulate with rare small asymmetrical triangular teeth. Venation pinnate craspedodromous or semicraspedodromous. Secondary veins 7–12 pairs. Angle between secondary veins and the midvein about 50°. Lower two or three pairs of secondary vein short and thin, arranged close to each other. Tertiary venation sparse, branching scalariform.

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