Outrageously Funny Word Dictionary :: Malacovalvulida

👉 Malacovellid, a group of extinct mollusks that lived in the late Cretaceous period (around 68-64 million years ago), were characterized by their large size and streamlined bodies. These malacovellids had a distinctive appearance, with their shells being primarily composed of small, flat plates that could be folded into various shapes to fit within a narrow aperture.

Malacovalvulida