The images show two large sperm pumps called Zenker's organs, resembling those found in living giant - sperm -
producing ostracods (Science, DOI: 10.1126 / science.1173898).
Not exact matches
Now it seems that
ostracods, or seed shrimp, have been
producing giant sperm for at least 100 million years.
In particular, the bioluminescence
produced by a little - studied microscopic crustacean, the
ostracod.