Scientists find 100 million-year-old sperm preserved in amber
by David Pescovitz from on (#58ABX)
Paleontologists found this bundle of "giant sperm" in the reproductive tract of an ostracod that's been preserved for 100 million years in amber from Myanmar. From the Ludwig-Maximilians-Universitat Munchen: In fact, this is the oldest fossil in which sperm cells have been conclusively identified. Moreover, the specimen represents a previously unknown species of crustacean, which...