Chapter
Lund, R. & Grogan, E.D.
2004. Five new euchondrocephalan Chondrichthyes from the Bear Gulch Limestone (Serpukhovian, Namurian E2b) of Montana, USA. In G. Arratia, M.V.H. Wilson & R. Cloutier (eds.), Recent Advances in the Origin and Early Radiation of Vertebrates. Verlag Dr. Friedrich Pfeil, München, Germany: 505-531, 12 figs., 2 tabs..
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New: Original name