Thomas K. Frazer

2

Professor of Biological Oceanography, College of Marine Science, University of South Florida

Seashells can tell you a lot about the sea creatures that made them. Olga Pankova/Moment via Getty Images

January 26, 2026

Michal Kowalewski, University of Florida and Thomas K. Frazer, University of South Florida

Seashells are the skeletons of sea creatures – and they’re older than you might think.

Seagrass meadows are an essential part of Florida’s coastal ecosystem. Jenny Adler

November 7, 2025

Michal Kowalewski, University of Florida and Thomas K. Frazer, University of South Florida

Scientists are using mollusk shells to evaluate the health of Florida’s seagrass ecosystems.