Matt Celeskey

Over the past year or so, I’ve been involved with reconstructing the aetosaur Typothorax coccinarum, based on two articulated skeletons found in eastern New Mexico. A paper describing these specimens and presenting the reconstruction has just been...

Asilisaurus kongwe (foreground). Image by M.H. Donnelly, Field MuseumFrom the Ruhuhu Basin Research Asilisaurus Page No time to treat this with more than a passing mention, but a letter in today’s Nature presents a new, Middle Triassic silesaurid ...

The big paleo news this week is the description of an 11 foot (3.5 meter) Cretaceous snake, Sanajeh indicus, found coiled around a dinosaur nest—apparently lying in wait for when the hard-to-swallow eggs revealed their bite-sized contents. The pap...

Today at Laelaps, Brian Switek posted a summary of new research (Shimada et al. 2010) on the Cretaceous shell-crushing shark Ptychodus (tie-KOE-duss). Like many fossil sharks, Ptychodus is primarily known from teeth—usually isolated but occasional...

or, An International Corpse of Mystery Quick note: New readers might want to look at previous installments of the Paleobiology of Coelophysis (Parts 1 & 2) series before diving into this post. In order to collect data from other specimens of Coeloph...

Tom Williamson, one of the scientists who described the new tyrannosaur Bistahieversor sealeyi, has written an excellent article for the New Mexico Museum of Natural History and Science website on the discovery and interpretation of “The Bisti Bea...

Several new (and newish) blogs in this weeks tangle of links: Love in the Time of Chasmosaurs: a daily dose of Mesozoic megafauna. Highly recommended. This week’s pick: An interview with pterosaur researcher/artist Mark Witton. Pterosaur.net Blog...

This week’s tangle of links, coughed up for your examination: New basal alvarezsaur: Haplocheirus sollers. What’s an alvarezsaur? Dave Hone’s got it covered. Why is a basal one noteworthy? Jonah Choiniere, of Haplocheirus-description ...

Congratulations to Drs. Carr & Williamson on the publication of “The Bisti Beast,” whose description is the cover story in this month’s Journal of Vertebrate Paleontology. Bistahieversor sealeyi Image by Mary Sundstrom and myself...

or, Token Diversity in a Dinosaur Graveyard Although fossils of the Triassic theropod Coelophysis bauri are by far the most numerous vertebrate remains preserved in blocks from the Whitaker quarry, several other animals are known from the site as well. ...