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Rogersia australis
Rogersia australis Cúneo, Gandolfo Rev. Palaeobot. Palynol., 136(1-2): 38. 1 Sep 2005
- Name
- Rogersia australis
- Rank
- Species
- Generic Name
- [Genus] Rogersia
- Authors (Pub.)
- Cúneo N. R.
Gandolfo M. A.
- Publication
- Angiosperm leaves from the Kachaike Formation, Lower Cretaceous of Patagonia, Argentina [2005/9]
- Journal
- Review of Palaeobotany and Palynology
- Volume
- 136
- Issue
- 1-2
- Page number
- 38
- Year
- 2005
- Fossil Status
- leaves
- Stratigraphy
- Aptian
- Strat. comment
- Uppermost part of the Kachaike Formation
- Location
- Arroyo Caballo Muerto Creek, San Martin Lake area, western Santa Cruz province, Argentina
- Paleoregion
- America (South)
Data for Holotypus
- Repository
- Museo Paleontologico Egidio Feruglio, Trelew, Argentina
- Repository Number
- MPEF-Pb-Mz 1133
Data for Paratypus
- Repository
- Museo Paleontologico Egidio Feruglio, Trelew, Argentina
- Repository Number
- MPEF-Pb-Mz 1135
- Diagnosis
- Simple microphyllous leaves, elliptic and
slightly symmetrical lamina. Base acute cuneate and
apex acute. Margin entire. First vein category pinnate,
weakly sinuous. Second vein category festooned brochidodromous,
highly decurrent with irregular spacing
and angles. Lacking intersecondary veins. Third vein
category alternate, sinuous, exmedially ramified,
emerging at acute or obtuse angles from the secondary
veins. Fourth category veins regular, polygonal reticulate.
Areoles well-developed, 3–4 sided. Ultimate
marginal venation looped.