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Reply | Forward Message #1425 of 1448 |
Anybody interested in the papers below?


Recognition of vertebrate egg abnormalities in the
Upper Cretaceous fossil record
Frankie D. Jackson*, James G. Schmitt

Upper Cretaceous dinosaur nesting sites of Rı´o Negro (Salitral
Ojo de Agua and Salinas de Trapalco´-Salitral de Santa Rosa),
northern Patagonia, Argentina
Leonardo Salgado a,1,*, Rodolfo A. Coria b,1, Claudia M. Magalhaes
Ribeiro c,
Alberto Garrido b, Raymond Rogers d, Marı´a E. Simo´n e, Andrea B.
Arcucci f,
Kristina Curry Rogers g, Ariana Paulina Carabajal b,1, Sebastia´n
Apesteguı´a h,
Mariela Ferna´ndez a, Rodolfo A. Garcı´a a,1, Marianella Talevi i,1




Tue Oct 14, 2008 12:42 pm

cogombra
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Anybody interested in the papers below? Recognition of vertebrate egg abnormalities in the Upper Cretaceous fossil record Frankie D. Jackson*, James G. Schmitt...
cogombra
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Oct 14, 2008
1:14 pm

Yes! Best regards, Alvaro ... From: cogombra To: Palaeoology@... Sent: Tuesday, 14 October, 2008 14:42 Subject: [Palaeoology] New Papers Anybody...
Alvaro Mones
alvaromones
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Oct 14, 2008
1:31 pm

Can anyone confirm that soft-shelled eggs don’t develop air-chambers? Hard to see how they could. Presumably crocs develop air-chambers. Do all...
strangetruther@...
strangetruther
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Oct 27, 2008
10:27 am

No soft-shelled eggs collapse if they lose weight. Under normal incubation conditions no reptile egg forms an air space - pliable-shelled turtle eggs swell (as...
Charles Deeming
charles_deeming
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Oct 28, 2008
10:48 am

Only if the croc egg desiccates, towards the end of incubation (before hatching time) we may notice the leathery membrane of the egg depress-in (like vacum)....
Lala A.K. Singh
laksingh2005
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Oct 29, 2008
9:16 pm

Fascinating - thatnks too, Lala. So perhaps that's why the croc hard shell layer seems (as far as I can tell - may be wrong) to fall off more readily than...
strangetruther@...
strangetruther
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Oct 30, 2008
10:32 am

Thanks Charles. That's interesting. So crocs don't need to poke their noses into an airspace while still in the egg. Does this mean they remove the fluid...
strangetruther@...
strangetruther
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Oct 29, 2008
9:16 pm

Croc hatchling is a miniature replica, almost in all respects, of the adult.. It breaths, and may even bite (snap at) immediately after hatchling. Sometimes,...
Lala A.K. Singh
laksingh2005
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Oct 30, 2008
11:09 am
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