Botella, H. & Valenzuela-Ríos, J.I. & Martínez-Pérez, C. (2009)
Tooth replacement rates in early chondrichthyans: a qualitative approach. Lethaia, 42(3), 365–376
DOI: 10.1111/j.1502-3931.2009.00152.x

Ginter, M. & Liao, J.-C. & Valenzuela-Ríos, J.I. (2008)
New data on chondrichthyan microremains from the Givetian of the Renanué section in the Aragonian Pyrenees (Spain). Acta Geologica Polonica, 58(2), 165–172

Liao, J.-C. & Ginter, M. & Valenzuela-Ríos, J.I. (2007)
Chondrichthyan microremains from the Givetian of the Aragonian Pyrenees (Spain). Bulletin de la Société géologique de France, 178, 171–178
DOI: 10.2113/​gssgfbull.178.3.171

Botella, H. & Valenzuela-Ríos, J.I. (2002)
Análisis Comparativo de Microvertebrados Fósiles del Límite Lochkoviense/Praguiense (Devónico Inferior) en la Depresión Axial del Río Cámaras (Cordillera Ibérica, Provincia de Teruel). [Comparative analysis of fossil microvertebrates of the Lochkovian/Pragian boundary (Early Devonian) in the Depresion Axial del río Cámaras (Iberian Chains, north of Teruel province).] Teruel, 88–89(1): 111–133