When it comes to prehistoric creatures hundreds of millions of years ago, trilobites should be the most widely known one. So far, more than 20,000 species have been discovered, and they lived on the earth for about 270 million years until the Permian about 252 million years ago. Extinct at the end of the century. Recently, scientists have made another amazing discovery of trilobites. For the first time, they found evidence of trilobites “mating” on fossils from the Cambrian period 508 million years ago. Sarah Losso, a Ph.D. in organismal and evolutionary biology at Harvard University, found that trilobites gather to cuddle and mate, like swimming potato bugs in black warrior helmets. He points out that beneath the well-preserved fossilized trilobite abdomen, a pair of shorter appendages, possibly mating connectors, can be seen to hold the male and female bodies together. The female trilobite anchors her body to the bottom of the sea, and another male trilobite crawls over the back and uses the mating connector to secure the female body in the best mating position. Such an operation can successfully combine the sperm and the egg, increasing the probability of egg fertilization and successful mating. Artistic restoration of trilobite mating.
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