Fossil ostracods on a slide from the collection of the Smithsonian’s National Museum of Natural History. The science team behind the recent Nature paper relied heavily on this collection for their ...

The oldest penis ever found is 425 million years old, and belongs to an animal whose scientific name—Colymbosathon ecplecticos—means “astounding swimmer with a large penis.” Large is relative, though.

Small bivalved crustacean ostracods are the most abundant fossil arthropods since the Ordovician and play an important role in paleoenvironmental reconstruction and evolutionary biology. The vast ...

Researchers have discovered the oldest known animal sperm sample, dating back 100 million years. A piece of amber caught dozens of small crustaceans called ostracods in a compromising position with ...

The taxonomy of ostracods from one deep-water, one shallow shelf and three paralic sections spanning the end-Permian extinction in South China (Guizhou and Yunnan) is summarized and discussed. We ...

WASHINGTON – This tiny crustacean was big on reproduction. Modern versions of ancient crustaceans called ostracods have extra large sperm, but not to the extent of their relatives 100 million years ...

Researchers at the Marine Biological Laboratory (MBL) have imaged a heritable form of bacterial symbiosis inside the reproductive system of tiny crustaceans known as ostracods. Subscribe to our ...

QUITE recently I received a communication from Mr. J. Omer-Cooper in the course of which he said: “When examining the contents of a frog's rectum yesterday in the course of our lab. work I noticed ...

Evolution is a rich and dynamic process. Species respond to pressures in a variety of ways, most of which reduce to finding food, avoiding becoming someone else’s food and attracting a mate. To solve ...