Bakuribu/Ritza: The Comb-Mouth Pterosaur of Brazil's Tropics

An astonishing discovery: a regurgitated fossil of Bakuribu (also known as Ritza), a long-jawed, filter-feeding pterosaur from the early Cretaceous Rimaldo Formation in northeast Brazil. This 'comb-mouth' creature sits between earlier stenocasma and later Pterodastro and, with about 440–568 teeth, reveals how filter feeders evolved. The find also points to a spinosaurid predator and demonstrates how fossilized stomach contents can illuminate ancient ecosystems and predator–prey interactions.

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