A new hypothesis about the origin of isoetalean lycopsids was proposed based on
palynological data. The occurrence of three apical papillae on the proximal surfaces of …

Se presentan nuevos datos palinológicos de rocas del Devónico y Mississippiano del área
de Calingasta, en la margen sur del río San Juan, en la Precordillera Occidental de …

Se analiza e ilustra, por primera vez, una tafoflora hallada en estratos de la Formación
Tarija que aflora en Arroyo Aguas Blancas, Provincia de Salta, Argentina. Se describen …

A diverse and abundant organic-walled microphytoplankton assemblage, consisting of 49
species of acritarchs, prasinophyte phycomata and chitinozoans, was recovered from a 13.3 …

A new anoplid chonetid species, Yagonia furquei sp. nov., is described from the Lower
Carboniferous (late Tournaisian–early Viséan) Malimán Formation of western Argentina …

The life cycle of prasinophyte microalgae in the order Pyramimonadales (
Pyramimonadophyceae, Chlorophyta) includes a unique non-motile stage termed the …

The surveyed microflora was recovered from six cores from the Tonono x-1 well in
northwestern Argentina. Most of the studied interval corresponds to the Tonono Formation …

The diverse, well-preserved spore assemblage hosted by the non-marine Lyall Formation of
the Clarke River Basin in north Queensland includes many species reported previously from …

Well preserved Mississippian palynological assemblages have been obtained from the
Cortaderas Formation in the Río Blanco Basin, northwestern Argentina. The geological …

Exceptionally well preserved material from the Upper Devonian of the Iberian Pyrite Belt,
southwest Spain, provides new observations on the morphological variability of the organic …