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Juvenile hadrosaur scavenged by Squalicorax shark and other news stories



From: Ben Creisler
bcreisler@gmail.com

A number of recent news stories that may be of interest:

Juvenile hadrosaur scavenged by Squalicorax shark

Some recent news stories refer to an article in the journal Palaios,
but so far I have not found the citation. Reports of a hadrosaur
metatarsal with embedded shark teeth have been mentioned for a few
years so maybe a formal paper (by David Schwimmer?) will be out in the
near future.

http://news.discovery.com/animals/sharks/sharks-vs-dinosaurs-130808.htm


Google Books previews a photo in Michael Benton's book Vertebrate Palaeontology:

http://books.google.com/books?id=VThUUUtM8A4C&pg=PA168&lpg=PA168&dq=hadrosaur+squalicorax+Schwimmer&source=bl&ots=eNSGoM6lXr&sig=viwFuYZFfPMlD8DjT2leeozsJy4&hl=en&sa=X&ei=0fwMUsWeEYTniAKj2oHgAQ&ved=0CEEQ6AEwAw#v=onepage&q=hadrosaur%20squalicorax%20Schwimmer&f=false



also
http://www.elasmo-research.org/education/evolution/squalicorax.htm

Another example of sharks scavenging dinosaurs

http://www.oceansofkansas.com/new-dino.html

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Experiments to determine how ancient oxygen levels affected life and climate


http://www.irishtimes.com/news/science/take-a-deep-breath-how-oxygen-shaped-the-earth-1.1494173


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Permian "branchiosaur" amphibian fossils found in Germany (in German)

The article discusses the discovery of more than 100 fossils of
"branchiosaurs" in 290-million-year old deposits. The text mentions
that four different types of amphibians are present, in particular
larvae of a temnospondyl (Sclerocephalus) and an anthracosaur
(Discosauriscus). Since Branchiosauridae are in fact a distinct group
of temnospondyls, it's not totally clear to me if the article is using
the term "Branchiosaurier" to refer to members of the Branchiosauridae
or to larval and larval-like amphibians in general.


http://www.thueringer-allgemeine.de/web/zgt/leben/detail/-/specific/Branchiosaurier-bei-Ausgrabung-im-Thueringer-Wald-geborgen-1499622939