Fossils

Living the Scientific Life (Scientist, Interrupted)

Category archives for Fossils

tags: researchblogging.org, dinosaurian soft tissue, fossils, bacterial biofilms, paleontology, endocasts, formerly pyritic framboids, collagen Figure 1. EDS spectrum of framboid. EDS spectrum of framboid showing an iron-oxygen signature. Pt is from coating for SEM. Area in red box was scanned for elements. [larger view]. DOI: 10.1371/journal.pone.0002808. Some of you might remember a paper published in…

tags: dinosaurs, Tarbosaurus bataar, paleontology, fossils, Tyrannosaurs rex The newly unveiled fossil skeleton of the juvenile Tarbosaurus bataar in its protective jacket. Discovered in 2006, a near-perfect complete skeleton of a juvenile Tarbosaurus find was made available for public viewing for the first time today by the Hayashibara Museum of Natural Science in Okayama, western…

tags: researchblogging.org, melanosomes, plumage color, feather color, fossil preservation, birds, dinosaur, Jakob Vinther Male Red-bellied woodpecker, Melanerpes carolinus. Image: Ken Thomas (Wikipedia) [larger view]. When looking at paintings and reconstructions of fossil birds and dinosaurs, people often ask “how do you know what color they were?” Well, we didn’t. However, a new paper was just…

tags: researchblogging.org, evolution, flatfish, Amphistium, Heteronectes, transitional fossils, missing link, Matt Friedman During the development of extant flatfishes, such as this plaice, Pleuronectes platessa, one eye has migrated round the head to lie on the same side as the other. So these fishes have an ‘eyed’ (up) side and a ‘blind’ (down) side suitable for…

tags: researchblogging.org, Aves, Psittaciformes, Pseudasturidae, parrots, Palaeogene, Eocene, Denmark An artist’s impression of the parrot-like bird, Mopsitta tanta, dating back 55 million years. The fossils indicate that parrots once flew wild over what is now Norway and Denmark. Image: David Waterhouse [larger view]. A team of researchers, including a former postdoctoral colleague of mine, recently…

tags: researchblogging.org, evolution, dinosaurs, birds, Tyrannosaurus rex, ornithology, paleontology The Tyrannosaurus rex femur from which researcher Mary Higby Schweitzer of North Carolina State University recovered soft tissue. Image: Science. It wasn’t too long ago that paleontologists thought that fossilization was a process where all biological material was replaced with inert stone. However, in 2005, Mary…

tags: researchblogging.org, evolution, bird-dinosaur split, dinosaurs, birds, rocks-versus-clocks, fossil record, molecular clocks The first feathered dinosaur fossil found in China — Sinosauropteryx. The feathers can be seen in the dark line running along the specimen’s back. Image: Mick Ellison, AMNH [larger view] There is a lot of controversy among scientists regarding when modern birds first…

They Should Have Prayed Harder

tags: creationism, mastodon skull, Mt Blanco Fossil Museum, fossils The volkswagon-sized Mastodon skull, which the museum named “Lone Star,” is thought to be the largest four-tusk mastodon skull ever found. It was discovered near La Grange, Texas, and was sold in 2004 to Joe Taylor, owner and curator of the Mt. Blanco Fossil Museum. A…

tags: researchblogging.org, Josephoartigasia monesi, Giant South American rodent, fossils, megamammals, Dinomyidae The head of the newly-found Josephoartigasia monesi (A), in comparison to a South American rodent known as a pakarana, Dinomys branickii (B). Image: G. Lecuona [larger size]. As a resident of NYC, you often hear stories of enormous rats that are aggressive enough to…

Stromatolites

tags: Stromatolites, fossils, earth science, NewScientist, Image of the Day Stromatolites. These intriguing fossils are a visual portal into the emergence of life and the eventual evolving of life forms from Cambrian to modern times. Image: Mark Boyle 2007 (NewScientist calendar 2008). [