From these drawings, we know that this creature, which lived about 100 million years ago, was very big, it had tall spines on its back, forming a magnificent sail, and it had long, slender jaws, a bit like a crocodile, with conical teeth, that
A partir de estos dibujos, sabemos que esta criatura, que vivió hace unos 100 millones de años, era muy grande, tenía espinas altas en su parte posterior, que formaban una magnífica vela, y mandíbulas largas