What is "ctenochelys"

Ctenochelys is an extinct genus of Cryptodira, which existed during the Cretaceous period, and lived in shallow waters. Its fossils have been found in the Ripley Formation in central Alabama, United States. It was first named by C.H. Sternberg in 1904, and contains four species, C. stenopora, C. acris, C. procax, and C. tenuitesta.