Results 41 to 50 of about 4,183,802 (162)

An overview of the Hexagenitidae (Ephemeroptera) from the Crato Formation (Aptian, Lower Cretaceous) of Brazil, with the description of a new species

open access: yes, 2021
Among mayflies, the Hexagenitidae is the most common family of the Cretaceous, including in the world-renowned Crato Formation (Aptian) of northeastern Brazil.
Frederico F. Salles (3817207)   +5 more
core   +1 more source

The taxonomy and taphonomy of fossil spiders from the Crato Formation of Brazil [PDF]

open access: yes, 2014
In order to develop a clearer picture of the paleoenvironment of the Crato Formation, an early Cretaceous Fossil-Lagerstätte, the taphonomy and taxonomy of fossil spiders were examined.
Downen, Matthew Ross
core   +1 more source

Gymnosperms from the Lower Cretaceous Crato Formation (Brazil). I. Araucariaceae and Lindleycladus (incertae sedis) [PDF]

open access: yesFossil Record, 2004
Fossil conifers from the Early Cretaceous, most likely late Aptian, Crato Formation were studied. The excellent preservation of several of those fossils allowed detailed investigations of the leaf epidermis by light microscope (LM) and by scanning ...
L. Kunzmann   +2 more
doaj   +3 more sources

Histovariability and fossil diagenesis of Pissarrachampsa (Pseudosuchia, Notosuchia, Baurusuchidae) from the Upper Cretaceous of Southeast Brazil. [PDF]

open access: yesAnat Rec (Hoboken)
Abstract Notosuchians were key components of western Gondwanan Cretaceous ecosystems in terrestrial predator niches and exhibited remarkable taxonomic and ecological diversity. Previous research has explored their physiology, metabolism, and histology, revealing varied growth patterns and life history strategies.
Aureliano T   +5 more
europepmc   +2 more sources

FIGURE 3 in A new important species of Nymphidae (Neuroptera) from the Lower Cretaceous Crato Formation of Brazil

open access: yes, 2022
FIGURE 3. Hindwing venation of Olindanymphes? headsi sp. nov., holotype INHSP 1510. Scale bar = 5 mm.Published as part of Makarkin, Vladimir N., 2022, A new important species of Nymphidae (Neuroptera) from the Lower Cretaceous Crato Formation of Brazil ...
Makarkin, Vladimir N.
core   +1 more source

Há um sistema culinário do milho no Cariri?/ Is there a culinary corn system in the Cearense Cariri?

open access: yesGeografares, 2018
Esta comunicação tem o objetivo de analisar o papel do milho no meio rural do Cariri. Para tanto, recorre-se aos estudos de Carneiro (2003), Cascudo (1967), Flandrin e Montanari (1998), entre outros.
Ariza Maria Rocha
doaj   +9 more sources

Response to “An exceptionally preserved 110 million years old praying mantis provides new insights into the predatory behaviour of early mantodeans” [PDF]

open access: yesPeerJ, 2017
Hörnig, Haug & Haug (2017) published a description of a new specimen of Santanmantis axelrodi MB.I.2068, an extinct species of praying mantis from the Crato Formation of Brazil.
Sydney K. Brannoch, Gavin J. Svenson
doaj   +2 more sources

New evidence of feathers in the Crato Formation supporting a reappraisal on the presence of Aves

open access: yesAnais da Academia Brasileira de Ciências, 2011
The preservation of delicate structures such as feathers is very rare in the paleontological record, due to the fragility of their components. Fossil feathers have been reported from approximately 50 deposits around the world, from the Late Jurassic to ...
Juliana M. Sayão   +2 more
doaj   +1 more source

FIGURE 2 in A new important species of Nymphidae (Neuroptera) from the Lower Cretaceous Crato Formation of Brazil

open access: yes, 2022
Makarkin, Vladimir N. (2022): A new important species of Nymphidae (Neuroptera) from the Lower Cretaceous Crato Formation of Brazil. Zootaxa 5175 (3): 377-382, DOI: https://doi.org/10.11646/zootaxa.5175.3.
Makarkin, Vladimir N.
core   +1 more source

Evolution of reproductive strategies in dictyopteran insects—clues from ovipositor morphology of extinct roachoids [PDF]

open access: yesActa Palaeontologica Polonica, 2018
Dictyoptera, which comprises cockroaches, termites and mantids, is a quite successful group of insects in evolutionary terms with a long fossil record—roachoid insects were already abundant 315 million years ago in the Carboniferous forests.
Marie K. Hörnig   +3 more
doaj   +1 more source

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