A tiny crustacean fossil contains roughly 100-million-year-old giant sperm

Ostracods look like nothing more than seeds with legs. but at the same time some species of these tiny crustaceans have an outsize claim to fame: giant sperm. As usual in the most extreme case of the fact that it can stretch 1.18 centimeters, over three times the length of an adult.

Its seen that a single piece of amber from Myanmar held 39 ostracods, which including many from a newly discovered species, Myanmarcypris hui. While scientist using micro-CT scans Dave Horne a micropaleontologist at Queen Mary University of London, and colleagues peered inside a few of the tiny shelled animals.

As per Robin Smith a zoologist at Lake Biwa Museum in Shiga Prefecture, Japan “The two bundles of filaments are in the correct position within the female,”  who was not involved in the study.