Paleontology

Blogs about paleontology

Haplophrentis carinatus reconstruction (Image courtesy Danielle Dufault/ROM)

An article published in the journal “Nature” describes a research on Haplophrentis carinatus and in general of the group of hyoliths, animals that lived during the Cambrian period, starting from about 530 million years ago. A team of researchers from the University of Toronto found evidence that these animals are related to the brachiopods (phylum Brachiopoda), marine invertebrates that existed at the time of which some species still exist today.

Fossil of newborn Protoceratops andrewsi (Photo courtesy Gregory Erickson, FSU)

An article published in the journal “Proceedings of the National Academy of Sciences” describes a research on the incubation time of dinosaurs eggs. A team of researchers led by Gregory Erickson of Florida State University analyzed rare fossils of embryos of two species of dinosaurs and concluded that the eggs of these ancient animals hatched after a period of three and six months, depending on the species.

Representation of Nasutoceratops (Image courtesy Cleveland Museum of Natural History)

An article published in the “Canadian Journal of Earth Sciences” describes a research on Ceratopsids, the so called horned dinosaurs that lived in the Late Cretaceous in today’s western areas of North America. A group of researchers led by Dr. Michael Ryan of the Cleveland Museum of Natural History, included some species into two new groups, or clades in technical jargon, called Nasutoceratopsini and Centrosaurini (Centrosaurinae).

The piece of amber with a dinosaur tail (Photo courtesy Ryan McKellar, Royal Saskatchewan Museum)

An article published in the journal “Current Biology” describes the study of the tail of a small feathered dinosaur dating back to about 99 million years ago preserved in amber. A team of researchers led by paleontologist Lida Xing of the China University of Geosciences in Beijing examined the fossil, the first preserved in this manner directly associated to a dinosaur.