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A new miospore genus Ductilispora is described to accommodate simple acamerate miospores, …


Biology Articles » Paleobiology » Micropaleobiology » Some trilete spores from Lower Carboniferous strata of the Rio Blanco Basin, western Argentina

Abstract
- Some trilete spores from Lower Carboniferous strata of the Rio Blanco Basin, western Argentina

Some trilete spores from Lower Carboniferous strata of the Rio Blanco Basin, western Argentina

Valeria Pérez Loinaze 1

1 División Paleobotánica, Museo Argentino de Ciencias Naturales ?Bernardino Rivadavia?. Av. Angel Gallardo 470 C1405DJR, Buenos Aires, Argentina. loinazev@macn.gov.ar

Abstract. A new miospore genus Ductilispora is described to accommodate simple acamerate miospores, which have a distal ornament of folds like muri or thickenings. Five new species of trilete spores are defined: D. circularis sp. nov., D . longitudinalis sp. nov., D. corrugatus sp. nov., Verrucosisporites cortaderensis sp. nov., Dibolisporites malimanensis sp. nov. and Indotriradites variabilis sp. nov. The specimens have been recovered from the Malimán and the Cortaderas Formations (Early Carboniferous), in La Cortadera creek, San Juan province, Argentina.

Key words. Palynology. Cortaderas Formation. Malimán Formation. Lower Carboniferous. San Juan. Argentina.

Ameghiniana, Mar./June 2005, vol.42, no.2, p.481-488. An Open Access Article.


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