Giant Ground Sloth tooth found during Lubbock road project
Due to Texas having locations where ancient human activity connected to megafauna, TxDOT decided to take a closer look at the Loop 88 project, according to a news release from the Texas Department of Transportation. The excavation near Loop 88 has already dug up a giant find — the tooth of a Giant Ground Sloth.
'We know we've found Giant Ground Sloth by its distinctive tooth,' said Chris Ringstaff, project planner with TxDOT's environmental affairs division. 'We're here to get the road built. But who doesn't love digging up big ol' animals?'
The remains were found during a TxDOT-contracted archeological survey, with the excavation from Jan. 27, 2025 – Feb. 5, 2025. The bones appeared to be from large, prehistoric animals that were once common in the area during the Pleistocene Epoch. This time period is known as the Ice Age, which ended 11,700 years ago.
"We know we found the giant ground sloth by the distinctive tooth that was discovered," said Jason Britsch, Amarillo Public Information Officer for TxDOT. "Now, whether all the bones are giant ground sloth, or there are some different animals, like mammoth or mastodon, we're not sure yet. But paleontologists will give us positive identification, so tests are still ongoing to see what all is in there. Further information could still be discovered."
TxDOT is in contact with the Museum of Texas Tech, which is assisting in the preparation, housing and identification of the bones.
"Texas has a lot of rich sediments with fossils," said Dr. Aaron Pan, executive director of the Museum of Texas Tech. "It is common to find fossils during building or road constructions in Texas, especially in the metroplex."
This article continues after the gallery.
There are two types of Giant Ground Sloths: the Nothrotheriops shastensis, known as the Shasta Ground Sloth, and the Megalonyx, or Large Clawed Ground Sloth, according to the National Park Service.
Shastas were around 9 feet long and weighed 550 pounds, whereas the Megalonyx were about 10 feet long and weighed 2,200 pounds.
Pan confirmed the sloth was likely a Shasta Ground Sloth. Evidence of these sloths are found throughout the southwest.
Adventure awaits: Lubbock Lake Landmark offers archaeological digs, look into where city started
If evidence of human-megafauna activity is found at the site, it will be a first for a TxDOT project, according to the release.
'If the site involves humans, we have to address road construction impacts under state and federal law,' Ringstaff said. 'If the site has no artifacts and dates to a time well before humans, TxDOT will recommend no further work, and the project can proceed to construction.'
If further excavation is required, it is not expected to impact the Loop 88 project's timeline, according to the release.
"It's still early on in the project phase, to where it will not impact construction," Britsch said. "This portion of it is still several years down the road, so it's not impacting the construction timeline."
Is it legal to own a mammoth tusk? Here's what to know about the once common Texas giant
This isn't the first discovery of an ancient animal in West Texas this year. In March, a mammoth tusk was found on a ranch in far West Texas and is in the care of Sul Ross State University.
'We live in an amazing region that has great discoveries found all the time,' Pan said. 'It's not unusual, but it is always fantastic.'
The Museum of Texas Tech, 3301 4th St., has many of these discoveries on display, from Ice Age Colombian Mammoths to creatures named after Texas Tech (Technosaurus). Attendees could learn more about what ancient creatures once walked, or swam, the area, along with seeing exhibits on anthropology, art, clothing and textiles, history, natural sciences and paleontology.
Behind-the-scenes: Museum of Texas Tech gives behind scenes tour of Paleontology, dinosaurs, Antarctic items
The Museum of Texas Tech is a massive, free-to-visit museum, and is open to all. People can keep up with the museum at depts.ttu.edu/museumttu, Facebook and Instagram.
Alana Edgin writes about business, and occasionally historic discoveries, for the Lubbock Avalanche-Journal. Got a news tip? Contact her via email at aedgin@lubbockonline.com.
This article originally appeared on Lubbock Avalanche-Journal: Giant Ground Sloth tooth found during Lubbock Loop 88 project
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