Paleontology

PALEONTOLOGY

A Caribbean cousin

Fossil of 12 million-year-old is a distant relative of South American turtles

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Alexander Kellner

Alexander Wilhelm Armin Kellner: On the wings of the past

Paleontologist talks about the difficulties of doing research in his field

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PALEONTOLOGY

Uncertain coexistence

Fossil suggests Paleoindians interacted with giant ground sloth

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Fossils

Primordial snakes

Described species add 70 million years to the evolutionary history of serpents

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Pre-History

New pieces of the puzzle

Teeth suggests that humans were present in Piauí over 20,000 years ago

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botany

Tiny pools in the sertão

Bromeliad leaves create a natural trap for pollen in the badlands

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paleontology

The pains of a sloth

Bone lesion identified on giant sloth fossil

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ECOLOGY

Vestiges of the Andes in Amazonia

Cold-climate trees were once common in northern Brazil

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Cover

The last Minas coastline

Fossils found in MG indicate where there was sea 550 million years ago

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Paleontology

Passage to the Caribbean

Amazon River flowed to Venezuela and Colombia millions of years ago

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Photolab

Climate records from the past

Climate records from the past

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Paleontology

Records from the Cretaceous

Algae helped preserve dinosaur footprints

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Paleontology

It’s a stick, it’s a stone

Petrified plants reveal the look of the landscape 300 million years ago

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Paleontology

The tapeworm and the shark

Fossilized feces of fish 270 million years old contain tapeworm eggs

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Paleontology

Hard of hearing, but a good head

African dinosaur had agile skull movement for self defense

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Paleontology

Nest of a “flamingrebe”

Fossilized nest support relationship between flamingos and grebes

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Ask the researchers

Ask the researchers

How is it known if dinosaurs hunted or scavenged?

Precambrian Fauna

Life protected by armor

The Northern of Paraguay have fossils of the earliest animals with skeletons

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Cretaceous

The bacteria that ate pterosaurs

Bacteria fossils have been found on 115 million year-old pterosaurs

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Fossils

Identity of fossils

Study almost doubles Neopermian vertebrate species in Brazil

Fossils

The hoatzin’s long journey

Origins of the Amazonian bird that “ruminates”

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Paleobotany

The trees of the desert

Forest of conifer trees thrived a hot and sandy environment

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Paleontology

A prehistoric tapir

Amazonia may have harbored a now extinct species 40,000 years ago

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Paleontology

Late Extinction

Terror bird disappeared before the arrival of humans in the Americas

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Paleontology

Brazilian dinosaurs

A book tells the story of 21 species found in Brazil

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Zoology

Colors in the wind

Genes and fossils reveal the origin of South American butterflies

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Sphagesaurus montealtensis

Butchers from the past

Ancestor of crocodiles, reptile ate meat and also vegetables

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Paleobotanics

Grain from the past

Fossilized pollen suggests a damp climate 15,000 years ago

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