University of Texas-San Antonio: Compound in 500-Million-year-old Fossils Sheds Light on Earth's Carbon Cycle
February 03, 2026
February 03, 2026
SAN ANTONIO, Texas, Feb. 3 (TNSjou) -- The University of Texas-San Antonio issued the following news:
* * *
Compound in 500-million-year-old fossils sheds new light on Earth's carbon cycle
Ryan Schoensee
A UT San Antonio-led international research team has identified chitin, the primary organic component of modern crab shells and insect exoskeletons, in trilobite fossils more than 500 million years old, marking the first confirmed detectio . . .
* * *
Compound in 500-million-year-old fossils sheds new light on Earth's carbon cycle
Ryan Schoensee
A UT San Antonio-led international research team has identified chitin, the primary organic component of modern crab shells and insect exoskeletons, in trilobite fossils more than 500 million years old, marking the first confirmed detectio . . .