Sentences with phrase «fossil ostracod»
Cross-section of fossil ostracod sperm.
https://www.sciencedaily.com/ 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 researchers estimate the fossil sperm are about 1.3 millimetres long, about the same length or slightly longer than the ostracod itself.
The microscopic study revealed the fossils contain the preserved internal organs of the ostracods, including their sexual organs.