Taphonomy

On the News | UCR study sheds light on Earth's first animals @ EurekAlert!

On the News @ EurekAlert! Title:  UCR study sheds light on Earth’s first animals Excerpt: “More than 550 million years ago, the oceans were teeming with flat, soft-bodied creatures that fed on microbes and algae and could grow as big as bathmats. Today, researchers at the University of California, Riverside are studying their fossils to unlock the secrets of early life. In their latest study, published today in the journal PLOS

Just out | Exceptionally preserved conodont apparatuses with giant elements from the Middle Ordovician Winneshiek Konservat-Lagerstätte, Iowa, USA @ Journal of Paleontology

Just out @ Journal of Paleontology Exceptionally preserved conodont apparatuses with giant elements from the Middle Ordovician Winneshiek Konservat-Lagerstätte, Iowa, USA Author(s) Huaibao P. Liu, Stig M. Bergström, Brian J. Witzke, Derek E. G. Briggs, Robert M. McKay, Annalisa Ferretti Abstract: Considerable numbers of exceptionally preserved conodont apparatuses with hyaline elements are present in the middle-upper Darriwilian (Middle Ordovician, Whiterockian) Winneshiek Konservat-Lagerstätte in northeastern Iowa. These fossils, which are associated with

Just out | An integrative ichnological and taphonomic approach in a transgressive–regressive cycle: a case study from Devonian of Paraná Basin, Brazil @ Lethaia

Just out @ Lethaia An integrative ichnological and taphonomic approach in a transgressive–regressive cycle: a case study from Devonian of Paraná Basin, Brazil Author(s) Daniel Sedorko, Elvio P. Bosetti, Renata G. Netto Abstract: The palaeoenvironmental context of a section of the Devonian Ponta Grossa Formation (Paraná Basin) was examined using an integrated ichnological and taphonomic approach. Three taphofacies (T-A, T-B and T-C) and six ichnofabrics are recognized. T-A is mainly

On the News | ‘Rare as winning the lottery’: New dinosaur fossil so well-preserved it looks like a statue @ The Washington Post

On the News @ The Washington Post Title:  ‘Rare as winning the lottery’: New dinosaur fossil so well-preserved it looks like a statue Excerpt: “Before being assembled into something recognizable at a museum, most dinosaur fossils look to the casual observer like nothing more than common rocks. No one, however, would confuse the over 110 million-year-old nodosaur fossil for a stone. The fossil, being unveiled today in Canada’s Royal Tyrrell Museum

Just out | Low fossilization potential of keratin protein revealed by experimental taphonomy @ Palaeontology

Just out @ Palaeontology Low fossilization potential of keratin protein revealed by experimental taphonomy Author(s) Evan T. Saitta, Chris Rogers, Richard A. Brooker, Geoffrey D. Abbott, Sumit Kumar, Shane S. O’Reilly, Paul Donohoe, Suryendu Dutta, Roger E. Summons and Jakob Vinther Abstract: Recent studies have suggested the presence of keratin in fossils dating back to the Mesozoic. However, ultrastructural studies revealing exposed melanosomes in many fossil keratinous tissues suggest that keratin

Just out | Carnivore taphonomy in South America: a review of actualistic studies and their implications in the southern Neotropics @ Historical Biology

Just out @ Historical Biology Carnivore taphonomy in South America: a review of actualistic studies and their implications in the southern Neotropics Author(s) Mariana Mondini Abstract: Actualistic studies on mammalian carnivore taphonomy in southern South America are reviewed here, including pumas, small cats, foxes, and other, smaller carnivores. Patterns for different carnivore taxa and their variation are elicited. Also temporal and spatial variability is analysed, and comparisons are made to other carnivores

Just out | Deciphering pyritization-kerogenization gradient for fish soft-tissue preservation @ Nature Scientific Reports

Just out @ Nature Scientific Reports Deciphering pyritization-kerogenization gradient for fish soft-tissue preservation Author(s) Gabriel L. Osés, Setembrino Petri, Cibele G. Voltani, Gustavo M. E. M. Prado, Douglas Galante, Marcia A. Rizzutto, Isaac D. Rudnitzki, Evandro P. da Silva, Fabio Rodrigues, Elidiane C. Rangel, Paula A. Sucerquia & M. L. A. F. Pacheco Abstract: Soft-tissue preservation provides palaeobiological information that is otherwise lost during fossilization. In Brazil, the Early Cretaceous Santana Formation

Just out | Taphonomic signature of golden eagles (Aquila chrysaetos) on bone prey remains @ Historical Biology

Just out @ Historical Biology Taphonomic signature of golden eagles (Aquila chrysaetos) on bone prey remains Author(s) Lluís Lloveras, Alessandra Cosso, Jaume Solé, Bernat Claramunt-López & Jordi Nadal Abstract: The golden eagle (Aquila chrysaetos) is one of the most important birds of prey in the Northern Hemisphere. This raptor is used to building large nests in high cliffs to which they return for several breeding years accumulating important amounts of their

Just out | Exceptionally preserved fossil assemblages through geologic time and space @ Gondwana Research

Just out @ Gondwana Research Exceptionally preserved fossil assemblages through geologic time and space Author(s) A.D. Muscente, James D. Schiffbauer, Jesse Broce, Marc Laflamme, Kenneth O’Donnell, Thomas H. Boag, Michael Meyer, Andrew D. Hawkins, John Warren Huntley, Maria McNamara, Lindsay A. MacKenzie, George D. Stanley Jr, Nancy W. Hinman, Michael H. Hofmann, Shuhai Xiao Abstract: Geologic deposits containing fossils with remains of non-biomineralized tissues (i.e. Konservat-Lagerstätten) provide key insights into ancient

Just out | Proterozoic microbial mats and their constraints on environments of silicification @ Geobiology

Just out @ Geobiology Proterozoic microbial mats and their constraints on environments of silicification Author(s) R. Manning-Berg, L. C. Kah Abstract: The occurrence of microfossiliferous, early diagenetic chert in Proterozoic successions is broadly restricted to peritidal marine environments. Such coastal environments are amongst the most environmentally variable of marine environments, experiencing both enhanced evaporation and potential influx of terrestrial freshwaters. To better understand potential conditions under which silicification occurs, we