Persististrombus coronatus
Persististrombus coronatus is an extinct species of fossil true conch from the Late Miocene to Pliocene.
Description
Persististrombus coronatus has a shell reaching a length of, but some specimen may attain sizes up to. The large-sized light brown shells are heavy, very thick at the right edge, and show long protuberances. These molluscs were epifaunal omnivore-grazers. They lived in shallow water on sandy seabeds, in warm and tropical seas.In the Miocene, the species is a West Atlantic element, which later invaded the Mediterranean region. It disappears from the Mediterranean Sea completely with the onset of the Late Pliocene cooling.