How to pronounce“radula”in English

The radula is a molluscan trait.

And so the radula itself is usually not preserved independently as a fossil because it's quite delicate and it probably just falls apart.

with their radula. You know about bivalves. They have shells that are divided into two hinged halves, like clams and scallops.

So you'll see radulas in snails, even in clams, all kinds of different mollusks.

But this discovery of that complicated radula that would have just filtered plankton out of the water has helped a new interpretation arise thinking, like, OK.

So I'll take the radula first since there's more physical evidence for it.

You can think of the radulas as hypodermic needles.