A team of paleontologists from California State Polytechnic University and elsewhere has described a new genus and species of shark-like fish from the Late Mississippian Fayetteville Shale of Arkansas, United States. An artist’s reconstruction of Cosmoselachus mehlingi. Image credit: American Museum of Natural History. The newly-described species lived in the Devonian oceans, approximately 326 million years ago. Named Cosmoselachus mehlingi, it...
