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Fossil records 'crab' death march
Yahoo! News ^ | 9/7/12 | Nick Crumpton - BBC News

Posted on 09/07/2012 12:07:14 PM PDT by NormsRevenge

The behaviour of an ancient horseshoe crab in its final moments before death has been captured in the fossil record.

A 9.7m-long trackway was created around 150 million years ago when a horseshoe crab fell into a lagoon.

The find is of interest because the fossil of the animal itself is present at the end of the trackway, where the animal died.

The research appears in the journal Ichnos.

The fossil trackway of the animal's last moments - known as a mortichnia, or death march - was discovered in the lithographic limestone of Bavaria in Germany in 2002, where spectacular fossils of the famous feathered dinosaur Archaeopteryx have also been found.

Since then, the fossil trackway had remained an exhibit in the Wyoming Dinosaur Center in the US until Dean Lomax of the Doncaster Museum and Art Gallery and Christopher Racay began working on a project to describe it

"It's not particularly rare to find these horseshoe crabs at the end of short traces, but nothing quite as substantially large and scientifically important as this," he said.

The fossil records an entire walk, and the researchers believe that the abrupt beginning of the trace can be explained by the animal being "flung" into the lagoon during a storm, although they cannot be certain of this interpretation.

(Excerpt) Read more at bbc.co.uk ...


TOPICS: Chit/Chat; Miscellaneous; Science
KEYWORDS: crab; deathmarch; fossil; fossils; records

1 posted on 09/07/2012 12:07:18 PM PDT by NormsRevenge
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Gone but not forgotten - the creature and its "death march" are exquisitely preserved


2 posted on 09/07/2012 12:08:33 PM PDT by NormsRevenge (Semper Fi)
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To: NormsRevenge

From the looks of the trail, he must have had GPS.


3 posted on 09/07/2012 12:14:56 PM PDT by left that other site (Worry is the Darkroom that Develops Negatives.)
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To: NormsRevenge

that’s pretty good considering the earth is only about 6000 years old!


4 posted on 09/07/2012 12:15:49 PM PDT by 2nd Amendment
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To: NormsRevenge

relevance?


5 posted on 09/07/2012 12:17:31 PM PDT by brivette
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To: NormsRevenge

Quite interesting.

But also poignant; a Mesozoic tragedy. It’s a vivid picture etched in that stone: plopping into that dark, anoxic hellhole, righting itself, then scrambling for its life, losing its coordination as the environment takes its toll, twitching, slowing, then at last stopping and surrendering.

I feel bad for the critter. In a predator prey relationship there’s usually some element of sport to it. But this little guy just plain got screwed over by fate. It ran its race, but there was no finish line to reach.

(I guess I’m in a sentimental mood today)


6 posted on 09/07/2012 12:21:05 PM PDT by verum ago (Be a bastard, and Karma'll be a bitch.)
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To: left that other site
From the looks of the trail, he must have had GPS.

But alas, it's pursuit of water with oxygen in it, ultimately failed.
7 posted on 09/07/2012 12:22:09 PM PDT by ZX12R (FUBO GTFO 2012 !)
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To: NormsRevenge

Das war genau Schade. Never made it to the Oktoberfest that year.


8 posted on 09/07/2012 12:23:47 PM PDT by 353FMG (The US Constitution is only as good as those who enforce it.)
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To: NormsRevenge

bump


9 posted on 09/07/2012 12:34:09 PM PDT by GeronL (The Right to Life came before the Right to Pursue Happiness)
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To: brivette

Not everything in this world is relevant. The vast majority of the world can at best achieve mildly interesting. It’s a pretty neat fossil.


10 posted on 09/07/2012 12:41:04 PM PDT by discostu (Welcome back my friends to the show that never ends.)
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To: 353FMG
Never made it to the Oktoberfest that year.

From its stumbling path it looks like it must have been leaving Oktoberfest.

11 posted on 09/07/2012 12:41:19 PM PDT by KarlInOhio ("Government is the only thing that we all belong to"=implicit repeal of the 13th amendment for all.)
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To: discostu

good points...


12 posted on 09/07/2012 12:42:22 PM PDT by brivette
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To: 353FMG

I dunno, judging by the wandering trail, I’d say he may have overindulged and fallen in on his way home...


13 posted on 09/07/2012 1:16:00 PM PDT by jagusafr
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To: jagusafr

Peace, Love, and Crabs....


14 posted on 09/07/2012 1:52:03 PM PDT by Nabber
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To: ZX12R

Doesn’t ALL water have oxygen in it? (I know what you mean...just being sassy!)


15 posted on 09/07/2012 4:02:27 PM PDT by left that other site (Worry is the Darkroom that Develops Negatives.)
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