Parasites Plagued the Age of Reptiles, According to Fossilized Poop

Scientists in Thailand dissected some fossilized excrement and found evidence of extensive infestation with a range of parasites, at least one of which affects humans today.

By Matt Hrodey
Aug 9, 2023 6:01 PM
Coprolite
A fossilized coprolite recovered from South Carolina. (Credit: gfrandsen/Getty)

Newsletter

Sign up for our email newsletter for the latest science news
 

A 200-million-year-old piece of fossilized poop has provided some of the earliest evidence yet that modern-day parasites plagued the age of the dinosaurs.

A Thai-French joint paleological survey recovered the “coprolite” in 2010 while working at an archaeological site in the central part of Thailand. The dropping was smooth, gray, cylindrical and curved slightly to one side – a simple object, but a potential “treasure trove,” according to a statement.

0 free articles left
Want More? Get unlimited access for as low as $1.99/month

Already a subscriber?

Register or Log In

0 free articlesSubscribe
Discover Magazine Logo
Want more?

Keep reading for as low as $1.99!

Subscribe

Already a subscriber?

Register or Log In

Stay Curious

Sign up for our weekly newsletter and unlock one more article for free.

 

View our Privacy Policy


Want more?
Keep reading for as low as $1.99!


Log In or Register

Already a subscriber?
Find my Subscription

More From Discover
Stay Curious
Join
Our List

Sign up for our weekly science updates.

 
Subscribe
To The Magazine

Save up to 40% off the cover price when you subscribe to Discover magazine.

Copyright © 2025 LabX Media Group