Photos:

Images: World's Oldest Petrified Sperm

PREVIOUS | NEXT
1 of 14

Modern Ostracod

Credit: Renate Matzke-Karasz
A modern ostracod (Newnhamia). These tiny crustaceans create sperm longer than their own bodies.
More from LiveScience
Author Bio

Stephanie Pappas

Stephanie interned as a science writer at Stanford University Medical School, and also interned at ScienceNow magazine and The Santa Cruz Sentinel. She has a bachelor's degree in psychology from the University of South Carolina and a graduate certificate in science writing from the University of California, Santa Cruz.
Stephanie Pappas on
Contact sipappas on Twitter Contact Stephanie Pappas by EMail