'Duck-billed' Dinos Once Thrived in Snowy Dark of Alaska

Published: 23rd September 2015 09:17 AM  |   Last Updated: 23rd September 2015 09:17 AM   |  A+A-

By ANI

WASHINGTON: Researchers have discovered a new hadrosaur species on Alaska’s North Slope, finding evidence for the “lost world” of the cold weather dinosaurs.

The University of Alaska Museum of the North researchers have described a new species of hadrosaur, a type of duck-billed dinosaur that once roamed the North Slope of Alaska in herds, living in darkness for months at a time and probably experiencing snow.

Ugrunaaluk (oo-GREW-na-luck) kuukpikensis (KOOK-pik-en-sis) grew up to 30 feet long and was a superb chewer with hundreds of individual teeth well-suited for eating coarse vegetation.

Earth sciences curator Pat Druckenmiller said the majority of the bones used in the study came from the Liscomb Bone Bed, a fossil-rich layer along the Colville River in the Prince Creek Formation, a unit of rock deposited on the Arctic flood plain about 69 million years ago.

The name, which means ancient grazer, was a collaborative effort between scientists and Inupiaq speakers.

Currently, there are three named dinosaurs documented from the North Slope, including two plant eaters and one carnivore. However, most of those species are known from incomplete material. Ugrunaaluk is far and away the most complete dinosaur yet found in the Arctic or any polar region, Druckenmiller said, adding that they have multiple elements of every single bone in the body.

The study appears in Acta Palaeontologica Polonica journal.

Stay up to date on all the latest World news with The New Indian Express App. Download now
(Get the news that matters from New Indian Express on WhatsApp. Click this link and hit 'Click to Subscribe'. Follow the instructions after that.)

Comments

Disclaimer : We respect your thoughts and views! But we need to be judicious while moderating your comments. All the comments will be moderated by the newindianexpress.com editorial. Abstain from posting comments that are obscene, defamatory or inflammatory, and do not indulge in personal attacks. Try to avoid outside hyperlinks inside the comment. Help us delete comments that do not follow these guidelines.

The views expressed in comments published on newindianexpress.com are those of the comment writers alone. They do not represent the views or opinions of newindianexpress.com or its staff, nor do they represent the views or opinions of The New Indian Express Group, or any entity of, or affiliated with, The New Indian Express Group. newindianexpress.com reserves the right to take any or all comments down at any time.

flipboard facebook twitter whatsapp