Troglocladodus
Troglocladodus is an extinct genus of cartilaginous fish in the family Ctenacanthidae. Remains are known from Mammoth Cave, Kentucky, in limestone deposits dated to the Mississippian subperiod of the Carboniferous period. A single species has been identified, Troglocladodus trimblei, which is based on isolated teeth found between 2019 and 2024.