FIGURE 4 in Histology of spinosaurid dinosaur teeth from the Albian-Cenomanian of Morocco: Implications for tooth replacement and ecology

FIGURE 4. (A) Section SNSB-BSPG 2008 XXXVII 1b. The growth lines are visible in the upper half of the section; scale bar equals 1 mm. (B) Section SNSB-BSPG 2008 XXXVII 1e shows the curving of the dentine near the enamel; scale bar equals 1 mm. (C) Section SNSB-BSPG 2008 XXXVII 3b shows a higher density of growth lines around the pulp cavity. The arrow indicates the mineralised gap in the internal wall of the tooth; scale bar equals 1 mm. (D) Section SNSB-BSPG 2008 XXXVII 2b shows the red mineralisation and fissures; scale bar equals 5 mm. (E) Section SNSB-BSPG 2008 XXXVII 2c. The arrow indicates the area of a series of start of alternating incremental lines; scale bar equals 1 mm. (F) Section SNSB-BSPG 2008 XXXVII 2c. The arrow indicates curving incremental lines; scale bar equals 1 mm.