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STONEROSE INTERPRETIVE CENTER & EOCENE FOSSIL SITE

Come Find 49 MILLION YEAR OLD Fossils!

STONEROSE CELEBRATES NATIONAL FOSSIL DAY, A WEEKEND OF FUN, FACINATING FOSSILS

kids bugs in a boxtimeline drawingsFriday wascurlew science students with Bruce cropped Kid’s day, when local schools bring their students for kid-centric activities. Dr. Bruce Archibald discusses insects with Curlew students. Republic and Curlew students also painted their interpretations of life during the Cenozoic Era.

corner lot diggersSpeaking of bugs, Sunday’s Guided Dig Event was a big hit. Gregg Wilson led two separate expeditions to the “Corner Lot”, a site reserved for more expert diggers. Lots of insect fossils were recovered. All participants reported having a great time!

Friday evening scientists Dr. Melanie DeVore and Dr. Kathleen Pigg presented an interesting evening discussion “Paleobotany in the Okanogan Highlands and why Republic, especially Stonerose, really matters”.  

 Saturday evening, Dr. Bruce Archibald presented “Ants, Bees and Wasps; How They Changed the World”.  Both presentations were free of charge and open to the public.


 

New Genus, New Species from Republic

Order Hymenoptera Linnaeus, 1758    Infraorder Siricomorpha Rasnitsyn, 1980    Superfamily Pamphilioidea Cameron, 1890    Family Pamphiliidae Cameron, 1890    Subfamily incertae sedis     Genus Ulteramus Archibald and Rasnitsyn, new genus    Type species. Ulteramus republicensis Archibald and Rasnitsyn, new species    Etymology. The genus name is formed from the Latin ulter, meaning on the farther side,ulteramus republicensisand ramus, meaning branch, referring to the distal position of the joining of Sc1 and R distinctive within the Pamphiliidae. Gender masculine.

Ulteramus republicensis Archibald and Rasnitsyn, new species

A mostly complete and well preserved forewing, only missing portions of the apical-most and basal-most portions and the region between C and R mostly folded and damaged; housed in the BM collection; collected by Wesley Wehr in 1993.  

Etymology. The specific epithet republicensis refers to the known locality of this species.

Age and locality. Ypresian; Klondike Mountain Formation exposure A0307B (BM locality code), Republic, Washington, United States of America.

A more complete fossil is needed to determine if U. republicensis extends the age of an extant subfamily back to the Ypresian, or if the history of the family becomes more complex with the establishment of a new, extinct subfamily.

Published online November 2015

FOSSIL HUNT AT OUR EOCENE FOSSIL SITE

The public is welcome to visit Stonerose and search for fossils in our Eocene fossil beds. At the time of your visit, the Stonerose staff will explain our rules for digging and how to find fossils. After showing all your finds to the staff for identification, you may keep three fossils per day.

IDENTIFY YOUR FINDS WITH THE STONEROSE GUIDE BOOK! AVAILABLE NOW!

Lisa Barksdale, former Stonerose Curator, and Wes Wehr, former paleobotanist for the Burke Museum, found this amazing lobed Florissantia quilchenensis. This specimen was pictured in the National Geographic magazine in July 2002 in an article titled “The Big Bloom,” because of … Read more

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