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 dat
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