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Innocentx

Thanks! This will be interesting. 

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UtahFossilHunter
24 minutes ago, Innocentx said:

Thanks! This will be interesting. 

It’ll help me go back through the basics and maybe it’ll help someone else learn something new.:dinothumb:

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The Amateur Paleontologist

Hope this doesn't sound rude... Are others allowed to chip in with some papers?

-Christian

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UtahFossilHunter
37 minutes ago, The Amateur Paleontologist said:

Hope this doesn't sound rude... Are others allowed to chip in with some papers?

-Christian

Sure, if you’ve got any, throw them in.:) 

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UtahFossilHunter
8 hours ago, The Amateur Paleontologist said:

Establishment of Tyrannosaurus as a new, valid genus :) : Osborn(1905)_Tyrannosaurus.pdf

-Christian

That’s a good one. Thanks for adding it!:dinothumb:

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UtahFossilHunter

This is the Spandrels of San Marco and the Panglossian Paradigm: A Critque of the Adaptationist Programme by Stephen Jay Gould and Richard C. Lewontin.

They discuss the problems with the “adaptationist programme” and propose that not only do organisms have pressure from natural selection and adaptation and such but also structural constraints, sometimes even more so. They claim sometimes structural constraints come first and then artwork comes later as a side effect not the other way around. 

 

https://faculty.washington.edu/lynnhank/GouldLewontin.pdf

GouldLewontin.pdf

 

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UtahFossilHunter

This weeks paper is Punctuated Equilibria: An Alternative to Phyletic Gradualism by Niles Eldredge and Stephen Jay Gould.

In this paper, they discuss the problems that phyletic gradualism has when explaining certain species stability over time. Phyletic gradualism is the theory that species gradually morph into other species slowly and surely over time. They also address biases that were prevalent in the Paleontological community back when they were writing this. One bias was that paleontologists would look for evidence of phyletic gradualism and then publish that they had found it in their studies thereby creating a circular argument. They finally propose that there may be another way species evolve and that is through punctuated equilibria. They propose that species evolve from one species to another at rates so quick that may not be fossilized. They also state that when species do speciate, they may be stable and not vary much until pushed to speciate again. 

http://www.blackwellpublishing.com/ridley/classictexts/eldredge.pdf

eldredge.pdf

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UtahFossilHunter

How about something a little more recent this week? This one is “Large colonial organisms with coordinated growth in oxygenated environments 2.1Gyr ago” by 

Abderrazak El Albani et al. In this paper they discuss fossils from 2.1 billion years ago that show some kind of multicellularity. When I picture earliest multicellular animals, I imagine the Ediacaran fauna but this paper shows that there may have been multicellular animals billions of years before the Ediacaran.

2.1 Ga Multicellular animals.pdf

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UtahFossilHunter

This week, we’ll do something quite old now. Here is the first comprehensive book on geology, the Principles of Geology by the father of geology himself, Charles Lyell.

http://homepages.see.leeds.ac.uk/~earpwjg/PG_EN/Text/Principles_of_geology.pdf

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UtahFossilHunter

How about something a little more local this week? @Boesse has written a paper that looks at the cause of why megalodon is extinct and when it did go extinct. https://peerj.com/articles/6088.pdf

6088.pdf

 

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