New data on the Lower Devonian chondrichthyan fauna from Celtiberia (Spain)

CARLOS MARTINEZ-PEREZ,1 VINCENT DUPRET,2 ESTHER MANZANARES,1 and HECTOR BOTELLA*1; department of Geology, University of Valencia, C/ Doctor Moliner, 50. CP. 46100, Burjassot, Valencia, Spain, Carlos.Martinez-PerezC^uv.es; Hector.Botella@uv.es; Esther.Manzanares@uv.es; 2Subdepartment of Evolutionary Organismal Biology, Department of Physiology and Developmental Biology, Evolutionary Biology Centre, Uppsala University, Norbyvagen 18A 752 36, Uppsala, Sweden, vincent.dupret@ebc.uu.se