PALAEOBLOG

Evolution. Extinction. Fossilization. (Repeat)

Friday, October 31, 2008

Sabertooth Cats Were Social

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Parallels between playbacks and Pleistocene tar seeps suggest sociality in an extinct sabretooth cat, Smilodon . 2008. Biology Letters, publ...
Thursday, October 30, 2008

Frenchman Formation Terrestrial Ecosystem Conference 2009

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After over a hundred years of local palaeontological discovery and excavation, the Frenchman Formation Terrestrial Ecosystem Conference will...

T. rex Smells

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S.R. Bissette’s Tyrant © & ™ Steve R. Bissette Olfactory acuity in theropods: palaeobiological and evolutionary implications . 2008. D...
Wednesday, October 29, 2008

The Time Travelers

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Read: The Time Travelers from Operation Peril #11, 1952.
Tuesday, October 28, 2008

Mitochondrial Phylogeny of the Extinct Cave Bear

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Deciphering the complete mitochondrial genome and phylogeny of the extinct cave bear in the Paleolithic painted cave of Chauvet . 2008. C. B...
Monday, October 27, 2008

It Was 20 Years Ago Today....

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Last August some of the volunteers who came out to Dinosaur Provincial Park in 1988 as part of the Tyrrell Museum's volunteer program he...

Skull Shape & Crocodile Evolution

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Cranial shape and correlated characters in crocodilian evolution . 2008. R. Sadleir and P. Makovivky. J. of Evol. Bio. 21: 1578 – 1596. ABST...
Friday, October 24, 2008

Heterodontosaurus: Omnivore!

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The teeth suggest Heterodontosaurus practiced occasional omnivory: the canines were used for defense or for adding small animals such as in...

Development Stops The Evolution of Endless Forms

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An End to Endless Forms: Epistasis, Phenotype Distribution Bias, and Nonuniform Evolution . 2008. E. Borenstein and D.C. Krakauer. PLoS Comp...
Thursday, October 23, 2008

Centrosaurus brinkmani Print by Mark Schultz Now Available

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Art by Mark Schultz Mark Schultz’s Centrosaurus brinkmani print was a hit at last week’s SVP meeting. As promised, I’ve now got time to o...

Early Global Warming Produced New Form of Life

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Gigantism in unique biogenic magnetite at the Paleocene–Eocene Thermal Maximum . 2008. Dirk Schumann et al. PNAS published ahead of print Oc...
Wednesday, October 22, 2008

Epidendrosaurus: Jurassic Feathered Dinosaur

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A bizarre Jurassic maniraptoran from China with elongate ribbon-like feathers . 2008. F. Zhang et al. Nature 455: 1105-1108. Epidexipteryx ,...

Poached Eggs & Embryo Death in Modern Dinosaurs

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Temperature-dependent sex-biased embryo mortality in a bird . 2008. Y. Eiby et al. Proceedings of the Royal Society B 275: 2703-2706. The id...

Overwintering Polar Dinos

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Polar dinosaurs on parade: a review of dinosaur migration . 2008. P. Bell and E. Snively. Alcheringa 32: 271-284. image Contrary to popular ...
Monday, October 20, 2008

Dino Dance Floor

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A Wet Interdune Dinosaur Trampled Surface in the Jurassic Navajo Sandstone, Coyote Buttes, Arizona: Rare Preservation of Multiple Track Type...
Sunday, October 19, 2008

Volcanic Origin For Life On Earth

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The Miller Volcanic Spark Discharge Experiment . 2008. A. P. Johnson et al. Science 322: 404 The building blocks of life may have emerged in...

Crest Function In Hadrosaurs

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Paleontologists have long debated the function of the strange, bony crests on the heads of the duck-billed dinosaurs known as lambeosaurs. T...
Wednesday, October 15, 2008

The Skull of Tiktaalik

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The cranial endoskeleton of Tiktaalik roseae . 2008. J. Downs et al. Nature 455: 925-929. Today, the team that discovered Tiktaalik in the ...

Today In History: Darwin Accepted Into Cambridge

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From Today In Science History : In 1827, Charles Darwin was accepted into Christ's College at Cambridge , but did not start until winter...
Monday, October 13, 2008

Dinos & The Cretaceous Terrestrial Revolution

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Dinosaurs and the Cretaceous Terrestrial Revolution . 2008. G.T. Lloyd et al. Proceedings of the Royal Society B 275: 2483-2490. Click to en...
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Michael J. Ryan, Ph.D.
Adjunct Research Professor, Carleton University, Dept of Earth Sciences
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