Rhomaleodus
Rhomaleodus is an extinct genus of cartilaginous fish known from the Middle Triassic of Bulgaria. It was first named by Plamen S. Andreev and Gilles Cuny in 2012 and the type species is Rhomaleodus budurovi. While originally identified as a member of Selachii incertae sedis'','' later studies suggested a placement within the Synechodontiformes.