MASSIVE MOROCCAN FOSSIL 26.8 OUNCES GTT1882

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MOROCCOAN FOSSIL SPECIEMN  WITH THREE FOSSIL EXPERTLY HAND CARVED OUT OF ROCK

MASSIVE SIZE


SIZE  175 X68 X 54MM

WEIGHT 26.80OZ


 

The soft body lived in the last open-ended segment at the large end of the conical shell. As the body grew and the housing segment became too small, a dividing wall, called the septa, grew to separate the old “home chamber” from the new one. The differences in the composition of these shell parts allowed for differences in fossilization so the parts can be seen.

The siphuncle is a tube that runs the entire length of the shell, through each of the chambers. This tube had two functions. Once filled with water, the nautiloid could force the water out, propelling itself backward with a kind of jet propulsion. By releasing the water and leaving air space, the tube could serve as a bouyancy device allowing the animal to rise and lower itself to different depths.

These straight shelled nautiloids ranged in size from less than a centimeter to more than 14 feet long!

9h 18m 4s

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Bid Increment $1.00
Starting Bid $56.00
Auction ID 218925
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Starts 2nd Dec 2016 7:02pm PST
Ends 3rd Dec 2016 7:00pm PST

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