Illustration by Raúl Martín; timeline and art direction by Jen Christiansen
 Sketches by Jen Christiansen
 Sketch by Jen Christiansen
 Illustration by Raúl Martín; timeline and art direction by Jen Christiansen; Sources: Daniela Schwarz-Wings, Museum of Natural History, Berlin (vertebra detail); Kristina A. Curry Rogers and Michael D. D’Emic (growth curves and sauropod timeline data).
prev / next