Mark McMenamin

Mark McMenamin is a paleontologist and geologist who wrote the operetta Trilobite Jury (2023). He is known for his discovery of the oldest diverse animal fauna in Proterozoic rocks of Sonora, México. He is married to Dianna McMenamin, and together they wrote Hypersea: Life on Land (1994) which explains how and why life made the arduous transition from sea to land.