Fig. 4 in Comparative bone microstructure of three archosauromorphs from the Carnian, Late Triassic Chañares Formation of Argentina

Fig. 4. Tibia of archosauromorph Lagerpeton chanarensis Romer, 1971 PVL-4625, in lambda light) from La Rioja province, NW Argentina; Chañares Formation, Carnian (Late Triassic). Section showing the main features of the tibia bone microstructure. Abbreviations: ICL, Inner Circumferential Layer; LAG, line of arrestred growth.