Figure 1 in Paleohistological studies of bone and teeth in Gyrodus circularis (Gyrodidae: Pycnodontiformes: Actinopterygii). Phylogenetic implications for the Gyrodidae

Figure 1. – Gyrodus circularis. (MNHN. JRE 540). A: View of the surface of the prearticular with the various molariform teeth. The arrow indicates the localisation of the axial sections. The horizontal sections are delimited by the two brackets. The white asterisk points to the tooth of the inset B. Inset B: Detail showing the microreliefs of the crown surface of the tooth pointed with the asterisk. The white arrowhead points to the central relief. Scale bars: A = 10 mm; B = 5 mm).