65 million year old fish specie

"The 65-million-year-old Asprete was first discovered by a biology student in 1956, and for decades it has teetered on the brink of extinction.

The Asprete, a small nocturnal fish that hides under rocks, has an uncertain future and faces myriad threats."

So a coin has been struck to commemorate it?

I was unable to find where the claim that it was 65 million years old came from. It’s an interesting species (specie is coin money), certainly, but what is the age based on? There are varied freshwater fossil deposits across Europe, but I don’t know the fish faunas, just the mollusks.

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