PALAEOBLOG

Evolution. Extinction. Fossilization. (Repeat)

Monday, April 30, 2007

The Dinosaurs of Ohio

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Someday I’m going to write a very short book with that title. But if you go to Prehistoric Forest in MarbleHead , OH, these are just some of...

Me On The Radio

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Cartoon by Jimmy Holder from the May 2007 issue of Cleveland magazine. A couple of months ago I was interviewed by Robyn Williams, the host ...
Sunday, April 29, 2007

Pterosaurs & Cope's Rule

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Cope's Rule in the Pterosauria, and differing perceptions of Cope's Rule at different taxonomic levels . 2007 D. W. E. HONE, M. J. B...

Sunday Comics

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Liberty Meadows © Frank Cho/Creators Syndicate
Friday, April 27, 2007

Dino Skin Found In Japan

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From Mainichi Daily News : The 120-million-year-old fossilized skin traces, which show round and polygonal scales measuring between 3 and 5 ...

World's Oldest T.rex?

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Evidence of a giant tyrannosaurid (Dinosauria: Theropoda) from the Upper Cretaceous (?Campanian) of Montana. 2007. M.A. Urban and M.C. Laman...
Thursday, April 26, 2007

On This Day: Alfred Wallace Set Sail

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photo From Today In Science History : “In 1848, Welsh botanist Alfred Russell Wallace and Henry Walter Bates sailed from Liverpool for the ...
Wednesday, April 25, 2007

High Arctic Champsosaurs

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A fossil champsosaur population from the high Arctic: Implications for Late Cretaceous paleotemperatures . 2007. D. Vandermark, J. A. Tardun...
Tuesday, April 24, 2007

Godzilla, The Musical

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© Alan Moore and Art Adams CLICK IMAGE TO ENLARGE From HERE .

Mass Extinctions Caused by Cosmic Radiation?

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Cosmic rays produced at the edge of our galaxy have devastated life on Earth every 62 million years. "Those terrible cosmic rays!"...
Monday, April 23, 2007

Prototaxites the 'Humongous fungus'

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Devonian landscape heterogeneity recorded by a giant fungus . 2007. C. K. Boyce, et al. Geology 35: 399–402. From the press release : New ev...

Earth's First Rainforest

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Ecological gradients within a Pennsylvanian mire forest . 2007. W. A. DiMichele, et al. Geology 35: 415–418. Detail of a pteridosperm, an ex...
Sunday, April 22, 2007

Mark Schulz & His "Usual Suspects"

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Art © Mark Schultz In addition to his next “ "Various Drawings"(Vol. 3) art collection coming out this summer, Mark Schultz will ...
Friday, April 20, 2007

The Art of Heinrich Harder

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Check out The Wonderful Paleo Art of Heinrich Harder. (1858-1935): Thanks to the Incoming Signals blog.

Born This Day: Willi Henning

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April 20, 1913 – Nov. 5, 1976 From the Willi Hennig Society : Hennig is best known for developing phylogenetic systematics , a coherent theo...

Born This Day: Sir William Logan

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April 20, 1798 – June 22, 1875 From Today in Science History : Logan was a Canadian geologist dubbed the "Father of Canadian Geology....
Thursday, April 19, 2007

Died This Day: Charles Darwin

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Feb. 12, 1809 – April 19, 1882 stamp More about Darwin HERE .

Surfing To Mongolia

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I recently came across this photo that Philip Currie took of us at the Flaming Cliffs last summer. If you’d like to be part of our team this...

Reconciling The Divergence of Placental Mammals

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Robust Time Estimation Reconciles Views of the Antiquity of Placental Mammals . 2007. Kitazoe Y., et al., PLoS ONE 2(4): e384. From the pres...

CT Scanning

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When I was in Alberta last month Eric Snively and I had some CT scanning done at Canada Diagnostics in Calgary. Hopefully we'll have the...
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Michael J. Ryan, Ph.D.
Adjunct Research Professor, Carleton University, Dept of Earth Sciences
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