Template:Lund & Grogan, 2004
- Lund, R. & Grogan, E. 2004. Five new euchondrocephalan Chondrichthyes from the Bear Gulch Limestone (Serpukhovian, Namurian E2b) of Montana, USA. In Arratia, G., Wilson, M.V.H. & Cloutier, R. (eds.) Recent Advances in the Origin and Early Radiation of Vertebrates 505–531.