German Scientists Find Ancient Giant Sperm

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PostThu May 15, 2014 9:16 pm » by Giovanni


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The oldest petrified sperm ever discovered is gargantuan, at least for a gamete.

The sperm comes from the early Miocene epoch, between about 23 million and 16 million years ago, and belonged to a tiny crustacean called a seed shrimp or ostracod. Seed shrimp are bivalves like muscles, but sport tiny appendages that make them look like walking beans. Though they measure just millimeters long, their sperm often reaches more than 0.4 inches (1 centimeter) in length.

The new fossilized sperm comes from an ancient cave deposit in Australia, where bat guano falling into the water may have helped preserve the cells.

"We can distinguish the typical helical organization of the organelles in the sperm cell, which makes its surface look like a hawser or cable," study researcher Renate Matzke-Karasz, a geobiologist at Ludwig-Maximilian-University in Germany, said in a statement. "But the most astounding aspect of our findings is that it strongly suggests that the mode of reproduction in these tiny crustaceans has remained virtually unchanged to this day." [See images of the giant sperm and ancient ostracods]

Ancient animals, strange sperm

Seed shrimp aren't the only organisms with absurdly long sperm. The longest sperm in nature today belongs to Drosophila bifurca, a fruit fly whose seed stretches to more than 2 inches (5 centimeters).

http://www.livescience.com/45574-oldest ... -huge.html
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PostThu May 15, 2014 10:53 pm » by Fatdogmendoza


Spunky post Mobe :mrgreen:
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PostFri May 16, 2014 12:31 am » by Slith


Giovanni wrote:
Seed shrimp aren't the only organisms with absurdly long sperm. The longest sperm in nature today belongs to Drosophila bifurca, a fruit fly whose seed stretches to more than 2 inches (5 centimeters).

:shock:

What a load of............well..........a load.


:D
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PostSat May 17, 2014 11:25 am » by Giovanni


Crazy Germans :lol: :lol: :cheers: :cheers:
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PostSat May 17, 2014 2:04 pm » by *WillEase*


Slith wrote:
Giovanni wrote:
Seed shrimp aren't the only organisms with absurdly long sperm. The longest sperm in nature today belongs to Drosophila bifurca, a fruit fly whose seed stretches to more than 2 inches (5 centimeters).

:shock:

What a load of............well..........a load.


:D


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