Planohybodus marki sp. nov., a new fresh-water hybodontid shark from the Early Cretaceous of northeastern Brazil Cretaceous Research, 41, 210–216
DOI: 10.1016/j.cretres.2012.12.005
Root resorption during tooth replacement in sharks – a unique character of the Hybodontiformes (Chondrichthyes, Elasmobranchii). Palaeodiversity, 17(1), 121–194
DOI: 10.18476/pale.v17.a6