AI Summary

A large-scale analysis of about 700 Neogastropoda species clarified their evolutionary relationships, confirming a single origin and defining four previously unrecognized families. The study also uncovered a previously unnoticed rapid diversification of these marine snails during the early Cenozoic, a period linked to the emergence of shell‑crushing predators. The findings highlight how predator pressures may have driven a major evolutionary boom in this diverse gastropod group.

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