The Cretaceous Period, extending from 145 to 66 million years ago, featured some of the most visually striking dinosaurs we know of, including the terrifying Dakotaraptor and the exceedingly horny Kosmoceratops. Its oceans were also populated by some truly bizarre aquatic creatures, including Rhinconichthys. As a new study published in Cretaceous Research details, this ancient bony fish had a gaping jaw that opened like a parachute canopy unfurling in the wind. Although this genus of sea-dwelling animal was...
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