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Mostrando ítems 1-10 de 28
Studies of the leaf cuticle fine structure of Zuberia papillata (Townrow) Artabe 1990 from Hoyada de Ischigualasto (Upper Triassic), San Juan Province, Argentina
(Elsevier Science, 2020-10)
Zuberia is a leaf genus of the Mesozoic seed fern foliage that belongs to Corystospermales. Dispersed leaf cuticles of Zuberia papillata are described using conventional light and electron microscopy techniques (LM, SEM, ...
VARIATION IN STOMATAL NUMBERS OF GLOSSOPTERIS LEAVES FROM THE LOWER PERMIAN OF PARANA BASIN, BRAZIL
(SOC BRASILEIRA PALEONTOLOGIA, 2011)
The stomatal density and index in compressed leaves of Glossopteris communis from two different roof shales from the Lower Permian in Parana Basin, Brazil (Western Gondwana) have been investigated to test the possible ...
Relictual Lepidopteris (Peltaspermales) from the Early Jurassic Cañadón Asfalto Formation, Patagonia, Argentina
(University of Chicago Press, 2019-06-04)
Premise of research. Numerous leaf remains of pteridosperms occur at a new locality of the Early Jurassic Cañadón Asfalto Formation, in Patagonia, Argentina. Fossils consist of adpressions with superb cuticular preservation ...
Eoguptioxylon antiqua gen. et sp. nov. (Pteridospermae) del Pérmico Superior (Formación La Antigua), provincia de La Rioja, ArgentinaEoguptioxylon antiqua nov. gen. et sp. (Pteridospermae) from the Upper Permian (La Antigua Formation), La Rioja province, Argentina
(Asociacion Paleontologica Argentina, 2007-03)
Se describen fragmentos de maderas pteridospérmicas poliestélicas provenientes de la Formación La Antigua (Pérmico Superior) aflorante en la provincia de La Rioja. Se trata de un nuevo taxón con estelas dispuestas ...
Gleicheniaceaephyllum San-Martini, a new name for Gleichenites San-Martini Halle Emend. Herbst 1962
(Asociacion Paleontologica Argentina, 2013-12)
The Cretaceous fern species Gleichenites san-martini Halle emend. Herbst is here combined to the genus Gleicheniaceaephyllum, since "Gleichenites" type specimens were transferred to pteridosperm taxa, and thus it is ...
Plant-insect interactions in the fossil flora of the Bajo de Veliz Formation (Gzhelian-Asselian): San Luis, Argentina
(Taylor & Francis, 2019-12)
This article presents a detailed description of insect trace fossils found in the megafloraof the Gzhelian-Asselian of the Bajo de Veliz. Plant-insect interactions are analyzed on212 specimens of leaves from this flora, ...
Revision of the first Carboniferous palaeofloristic locality discovered in Argentina
(De Gruyter, 2019-06)
The first Carboniferous palaeofloristic locality recognized in Argentina is situated to the south of the Sierra Chica de Zonda in San Juan Province, Argentina. The fossiliferous site known as Retamito or Río del Agua ...
Kladistamuos golondrinensis nov. gen. et comb., a fertile foliage from the mid to late Permian of Patagonia, Argentina
(Elsevier, 2013-09)
Dichotomous rachises bearing Eremopteris golondrinensis Archangelsky foliage in organic connection with probable microsporangiate structures were collected in the mid to late Permian La Golondrina Formation at Laguna ...