Sentences with phrase «male ostracods»

Researchers found that male ostracods, also known as seed shrimp, evolved heavily in terms of their appearance to the point that they missed on other survival factors.

Not exact matches

Hunt and his colleagues drew on large collections of ostracod fossils from the Smithsonian's National Museum of Natural History, the University of Southern Mississippi, and Louisiana State University, as well as additional fossils they collected themselves, to investigate whether species in which this male / female distinction was most prominent had been more vulnerable than others to changes in their environments.

The giant sperm are thought to have been longer than the male's entire body, but are tightly coiled up inside the sexual organs of the fossilised freshwater crustaceans, which are known as ostracods.