online home of the North America Research Group (NARG)

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Do you know about...

the Oreodont?

Sometimes called a prehistoric 'ruminating hog,' the oreodont was a sheep-sized, cud-chewing plant-eater with a short face, tusk-like canine teeth, heavy body, long tail, short feet, and four-toed hooves. The now-extinct suborder Oreodonta was distantly related to pigs, hogs, camels, hippopotamuses, and the pig-like peccaries.

This stocky prehistoric mammal grazed amid the grasslands, prairies or savannas of North and Central America throughout much of the Cenozoic era. First appearing 48 million years ago (m.y.a.) during the warm Eocene epoch of the Paleogene period, the oreodonts dominated the American landscape 34 to 23 m.y.a. during the dry Oligocene epoch of the late Paleogene. But they mysteriously disappeared 4 m.y.a. during the colder Pliocene epoch of the late Neogene period, long before the arrival of humans in the New World.

Today, fossil jaws and teeth of the Oreodonta are commonly found amid the Oreodon beds of the White River badlands in South Dakota, Nebraska, and Wyoming. Many oreodont bones have also been reported at the John Day Fossil Beds National Monument in Oregon.

We welcome you to visit as a guest to any of the meetings. When you find that you would like to participate further we encourage you to join NARG. In addition to the monthly meetings you also benefit from:

  • Participation in workshops.
  • Participation in search and rescue trips.
  • Qualification for the OPRD Beach Collecting Permit.
  • Online newsletter for members only.
  • A special online "new members" newsletter describing the history of NARG, tips and tricks for finding, identifying, preparing, and preserving fossils, and much more.
  • Participation in research activities.
  • Access to broad membership base, including the NARG ListServe to reach all members in the directory.
  • Access to advisors, including leading professors at universities.
  • Discounts on NARG wear.
New Members

If you're ready to join, there are a couple of ways to go about it.

1. Attend the next meeting and ask for an application.

2. Download the Membership Application Membership Application
(Adobe PDF format)

Mail it with your check or Money Order to:
c/o Megan Gagner
Post Office Box 233
Tualatin, Oregon 97062

Membership Renewal

If are renewing your NARG membership here are your options.

1. Bring your membership fees to a NARG Meeting.

2. Send Check or Money Order to:
c/o Megan Gagner
Post Office Box 233
Tualatin, Oregon 97062

3. Renew online:
Family Membership $40 - Pay Online Here
Single Membership $25 - Pay Online Here
Student Membership $10 - Pay Online Here


NARG Bylaws (Adobe PDF format)