Tethys

Paleontologists have described a new species of enigmatic cyclidan crustacean on the basis of three well-preserved specimens from the Early Triassic Guiyang biota of China. Yunnanocyclus fortis. Image credit: Sun et al., doi: 10.1002/spp2.70052. Cyclidans are a distinctive group of arthropods that first appeared in the Carboniferous period and survived until the Late Cretaceous. Their…