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Macclintockia gigantea
Macclintockia gigantea M.G. Moiseeva Paleontol. Zhurn., 2011, (2): 97. 2011
- Name
- Macclintockia gigantea
- Rank
- Species
- Generic Name
- [Genus] Macclintockia
- Authors (Pub.)
- Moiseeva M. G.
- Publication
- Novye vidy roda Macclintockia (pokrytosemennye) iz kampana rajona bukhty Ugol'noj (Severo-Vostok Rossii) [2011]
- Journal
- Paleontologicheskii Zhurnal
- Annee/Jahrgang
- 2011
- Issue
- 2
- Page number
- 97
- Year
- 2011
- Fossil Status
- leaves
- Stratigraphy
- Campanian
- Strat. comment
- Barykovian suite
- Location
- Ugol'naya Bay, Korjak highland, Tchukotka Autonomous District, Russian Federation
- Paleoregion
- Eurasia (Far East)
Data for Holotypus
- Repository
- Geological Institute, Russian Academy of Sciences, Moscow, Russian Federation
- Repository Number
- № 3385/48
- Diagnosis
- Leaves simple, entire, from small to
large (more often), length to width ratio 3 : 1. Leaf lamina
narrowelliptical, symmetric. Leaf base from broadly to
narrow cuneate, slightly decurrent. Leaf apex acute. Leaf
margin undulate or entire, rarely with small seta. Venation palmate, acrodromous. Three to five primary veins
deviate above the leaf base. Lateral (inner) primary veins
slightly thiner than midrib, ascending to the leaf apex and
joining with short secondary veins. Outer primary veins
shorter and slender are traced in the lower part of leaf
lamina and connect above to the inner primary veins
forming series of large loops. Tertiary venation alternate
percurrent.
Nomenclatural synonyms (basionyms)
Species
