Thursday, April 2, 2020
Paleontology

Paleontology

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A 3D laser scan of an Ikaria wariootia impression. (Droser Lab/UCR)
Paleontology

Ancestor of all animals identified in Australian fossils

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Example coprolites from Rancho La Brea (A) prior to asphalt removal with surrounding sediments, (B) showing intact pellets with plant material, (C) isolated, cleaned pellets. Figure 2, from: Mychajliw et al. 2020. Exceptionally preserved asphaltic coprolites expand the spatiotemporal range of a North American paleoecological proxy. Credit: Carrie Howard
Paleontology

Unprecedented preservation of fossil feces from the La Brea Tar Pits

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Dr Daniel Field holding a replica version of the 'Wonderchicken' skull
Paleontology

Wonderchicken : fossil from the age of dinosaurs reveals origin of...

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Researchers dated ash deposits from this hill, called a koppie in South Africa. The lower part of koppie Loskop exposes strata from before the end-Permian extinction (Palingkloof Member of the Balfour Formation), while the upper part contains layers deposited after the extinction (Katberg Formation). Credit: John Geissman
Paleontology

In Earth’s largest extinction, land die-offs began long before ocean turnover

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This mural was originally made for a recent Royal Ontario Museum exhibit about a fossil ankylosaur named Zuul crurivastator. That fossil is found within a couple of meters stratigraphically/temporally of the site described in this paper. The last author on the study, David Evans, is the dinosaur curator at the Royal Ontario Museum and was also involved in the description of Zuul and design of that exhibit. Credit: Danielle Dufault, Royal Ontario Museum.
Paleontology

Late cretaceous dinosaur-dominated ecosystem

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Numerous specimens of Kateretidae in a piece of amber from the Institute of Geology and Palaeontology in Nanjing (China). Included are also pollen grains from primitive water lilies. Credit: Georg Oleschinski/Uni Bonn
Paleontology

Beetles changed their diet during the Cretaceous period

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Roughly 66 million years ago an asteroid slammed into the Yucatan peninsula. New research shows darkness, not cold, likely drove a mass extinction after the impact. Credit: NASA
Paleontology

Darkness, not cold, likely responsible for dinosaur-killing extinction

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Fossil rudist bivalves (Vaccinites) from the Al-Hajar Mountains, United Arab Emirates. Credit: Wikipedia, Wilson44691 – Own work, Public Domain
Paleontology

Ancient shell shows days were half-hour shorter 70 million years ago

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Burmese amber with Oculudentavis skull nearly perfectly preserved inside. Credit: Lida Xing
Paleontology

Hummingbird : Smallest Known Dinosaur Found in Amber

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Ancient Armadillo
Paleontology

Ancient Armadillo The Size Of A Car Discovered By Farmer In...

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Aneuretopsychidae from Late Cretaceous Burmese amber. Credit: NIGPAS
Paleontology

Amber specimens reveal origin of long mouthpart of scorpionflies

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Fossilised threads - some as long as four metres - connecting organisms known as rangeomorphs, which dominated Earth's oceans half a billion years ago. Credit: Alex Liu
Paleontology

Half billion-year-old ‘social network’ observed in early animals

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A tiny lizard forefoot of the genus Anolis is trapped in amber that is about 15 to 20 million years old. Credit: Jonas Barthel
Paleontology

Rare lizard fossil preserved in amber

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Maculaferrum blaisi, described in a study published in Acta Palaeontologica Polonica, is the first hemipteran insect (true bug) to be discovered at the Redmond Formation, a fossil site from the Cretaceous period near Schefferville, Labrador. Credit: Alexandre V. Demers-Potvin
Paleontology

Fossilized wing gives clues about Labrador’s biodiversity during the Cretaceous

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Mystery has long surrounded the evolution of Facivermis, a worm-like creature that lived approximately 518 million years ago in the Cambrian period. Credit: Franz Anthony
Paleontology

Early worm lost lower limbs for tube-dwelling lifestyle

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Fossil coral close-up Credit: Aaron O'Dea
Paleontology

Fossils help identify a lone ‘bright spot’ in a similar state...

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lizard
Paleontology

Vellbergia bartholomaei : Tiny prehistoric lizard sheds light on reptile evolution

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A group of Russian and German palaeontologists have described a previously unknown genus and species of prehistoric salamanders. The new amphibian is named Egoria malashichevi -- in honor of Yegor Malashichev a talented scientist and associate professor of the Department of Vertebrate Zoology at St Petersburg University, who passed away at the end of 2018. Credit: Pavel Skutschas
Paleontology

Egoria malashichevi : Palaeontologists identify new Jurassic amphibian

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View of Takarkori shelter from the west. Credit: Savino di Lernia, 2020
Paleontology

Fish in the Sahara? Yes, in the early Holocene

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NHMUK PV R 9372, Palaeosauropus sp., (a) colour photograph of the original sandstone slab and tracks, (b) 3D digital render of the plaster cast of the sandstone slab and tracks and (c) black and white photograph of the original sandstone slab and tracks. In (b), left manus and pes prints are denoted a and b respectively, the right pes prints c and e, with print d being the right manus. The indented area left of print e is identified as damage to the specimen rather than a footprint impression.
Paleontology

Oldest known record of amphibian tracks in the UK

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