I.U.C.N. Update Says Deep-Sea Mining Threatens Mollusks Around Hydrothermal Vents

The naming of mollusks evolves at a snail's pace - EurekAlert!

I.U.C.N. Red List Moves Emperor Penguins to “Endangered”

Evolution of new physical traits in mollusks has declined and grown more predictable over time. Early mollusks evolved a unique physical trait once every 2 million years. That frequency began declining roughly 444 million years ago to about one new feature every 9 million years.