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Dinosaur extinction insights available near a New Jersey strip mall?

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Dinosaur extinction insights available near a New Jersey strip mall?

Maybe. From Yahoo News:

Paleontologists are excavating a fossil site that might unlock a treasure trove of insights into the disappearance of the dinosaurs — and it’s just a stone’s throw from a New Jersey strip mall.

The Mantua Township quarry could be the most important prehistoric dig site in years if scientists are correct in their hypothesis that it contains animals that died when a meteorite struck the Earth 65 million years ago, killing off the dinosaurs.

“In the end, if our work doesn’t find anything to disprove that, then this would be the only site in the world where we have fossils of organisms that actually died during that extinction event,” paleontologist Paul Ullmann told Yahoo News.

The fossils include dreadnaughtus, which weighed more than seven T. Rex.

Any help understanding why the entire dinosaur lineage died out, ending the Cretaceous period and the Mesozoic era, would be welcome.

It’s not the fact that so many life forms or even so many species or families died out, but both orders of dinosaurs, once domnant, disappeared over a short period of time.

What if all orders of reptiles died out in a short period of time, leaving only mammals, birds, amphibians, and fish and a few other chordates in the phylum? Would we not see that as something remarkable in and of itself?

See also: Extinction: Was the Red Queen right? Does failure to evolve lead to extinction?

Extinction claim: Humans, not climate change, at fault for most extinctions …

Megafauna extinction not caused by human beings, after all

So extinction might be reversible? Flowing wooly mammoth blood found in carcass

It really sounds as though we don’t know nearly enough about extinction, which is the grim third alternative to evolution and stasis.

Hat tip: Timothy Kershner

Comments
wd400:
Except that birds are, in fact, dinosaurs.
Perhaps in your mind. However that is not a fact in the real world. It can't even be tested.Joe
November 23, 2014
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The most well supported hypothesis we have is that a honkin’ big 10km diameter asteroid smacked the Yucatan Peninsula at a place called Chicxulub around 66 million years ago. If that were true then we would find dino fossils in and above the K-T boundary. Yet we don't because most likely the dinos were gone before the impact.Joe
November 23, 2014
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meter is right here but not there. YEC disagrees with some ID thinkers on these matters. The weight of evidence is very light. all they have is critters not around and then saying they were last around at a certain time eNTIRELY based on geological data. the geo is wrong and so the bio is wrong as there is no bio evidence for when the extinctions took place. in fact evolution is all about geo and not bio. Another matter. the bible called it. it predicted one could, as a option, find creatures encased in the results of a great flood that was allowed to kill them. so it would be that poof they are vanish at once. No need for space rocks which is a far fetched idea if evidence is the standard for whats likely. Its just lines of reasoning allowing a guess. its silly in claims of evidence.Robert Byers
November 21, 2014
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why does the world insist the fossils don’t show the great flood? Did you know that Stephen Meyer accepts that Dinosaurs went extinct 65 million years before the arrival of Man? The weight of scientific evidence is overwhelming.rhampton7
November 20, 2014
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News The rest of us would like to know why the dinosaurs so massively and so swiftly died out, unlike the other orders. The most well supported hypothesis we have is that a honkin' big 10km diameter asteroid smacked the Yucatan Peninsula at a place called Chicxulub around 66 million years ago. The resulting dust and debris thrown into the atmosphere caused severe temperature drops and decimated the food chain. Almost all the larger terrestrial animals - the dinosaurs - died in the coming famine. By one set of data no terrestrial animals bigger than around 100 kg survived. It's not certain if the dinosaurs were already in a decline and the Chicxulub impactor was the last straw, but it certainly was a contributing factor. *Cue science genius Joe to show up claiming there was no Chicxulub impact.Adapa
November 20, 2014
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We do know why these dinos died. The bible says all creatures suddenly died. Simnply after the flood dinos did not prevail as before. i say because of the clean/unclean ratio change. remember that any dino ever found died in its youth. All were killed by the flood and none ever found killed before or after it. why does the world insist the fossils don't show the great flood?Robert Byers
November 20, 2014
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I'm just glad humans survived the Cambrian. Surviving the Dino Extinction was a bit easier in comparison.ppolish
November 20, 2014
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Yes, wd400, birds really ARE dinosaurs and humans really ARE chordates. Have it your way. The rest of us would like to know why the dinosaurs so massively and so swiftly died out, unlike the other orders.News
November 20, 2014
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Claiming that birds ARE dinos is emotionally satisfying but doesn’t really help us understand what happened. Except that birds are, in fact, dinosaurs. That non-avian dinosaurs didn't surivive the impact is indeed interesting. And perhaps understanding why one lineage within Dinosauria made it and the others didn't would "help us understand what happened."wd400
November 20, 2014
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wd400 and Joe at 6 and 7: For all practical purposes, the dinos disappeared in a short period of time. There is something to know here. Claiming that birds ARE dinos is emotionally satisfying but doesn't really help us understand what happened.News
November 20, 2014
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Humans were intelligently designed as chordates- specifically we were intelligently designed as vertebratesJoe
November 20, 2014
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No. By that logic humans are chordates.wd400
November 20, 2014
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wd400 at 3: By that logic, humans are Pikaia (a possible Cambrian ancestor of vertebrates). Dinosaurs died out in the sense that the Roman Empire fell. Both just aren't here any more. Both left a legacy, sure. Now the general swift disappearance of dinosaurs remains a mystery, and possibly the NJ excavation will produce some insights. Would also like to know what really happened to the trilobites.News
November 20, 2014
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Birds are dinosaurs only to the very gullible. Science definitely cannot demonstrate such a relationshipJoe
November 20, 2014
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Birds are descendants of dinosaurs but, in your words "the entire dinosaur lineage died out"? What do you think lineage means? In any case, taxonomic groups are defined by their shared common ancestors. If, as you grant, birds descent from dinosaurs then there is no grouping that includes alll descendants of the common ancestors of ornithischians and saurischians that doesn't include birds: that is, if dinosaurs are a thing, birds are dinosaurs. Really.wd400
November 20, 2014
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No, not really, wd400. Birds are most likely descendants of dinosaurs, the way mammals are most likely descendants of a Cambrian vertebrate. Not the same thing as saying that dinosaurs survived or that the Cambrian vertebrate did. People only say birds ARE dinosaurs because of the problem of the complete disappearance - except for that outlier (endothermic) descendant. Gladto know that problem remains under research.News
November 20, 2014
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but both orders of dinosaurs, once domnant, disappeared over a short period of time. Nope, as you link says, birds are (saurischian) dinosaurs and they survived.wd400
November 20, 2014
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