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Hey there, this is my first post and my second big trip to go fossil hunting. Attached are what I think these fish are identified as, but I think I will need a bit of help seeing as I still have novice eyes. Any help on identifying or noticing differences between differe nt species would be incredibly helpful. These were found in Kemmerer Wyoming at one of the split quarries. Thanks!

Well what a quick dig. We started our trip to Yellowstone and Mt. Rushmore with a couple of stops and our Search for fossils as we searched for two dig sites on our way. Our first stop was U-dig Fossils in Utah. Here we were suppose to hunt for trilobites but after to talking to a couple of people leaving the site they were very disappointed and found only a couple in their 2 hours. So because I had another site to check out we passed on digging there. Plus at 80.00 per person per day it didn’t not fit our plans. So our next stop ended up at the Fossil Safari in Wyoming where we were much happier and we all thought is was well worth it. It took us an extra hour to find the place because google maps put us on a goat trail that we had to turnaround on because we had an luggage rack attachment that had a low clearance. If it was not for a Park Ranger that was on the trail we would of found ourselves in trouble. But she was great redirecting us around the track we were on. So when we got to dig site we were surprised to see that their was only one other digger at the site. For me I just wanted to explore around the area and then start digging and the others just wanted to watch. But after I started digging and finding some fish fossils everyone wanted to dig. After talking to the manager of the site he explained that they found a prehistoric Horse on the ridge and he had two others digging. He allowed me to go and check it out but no photos as the site is privately funded and because I was a fellow hunter that I would enjoy it. Here are a couple pictures of us digging. Or should I say me!!!

I just received this multi fish plate in the mail yesterday. It was a bargain from our favorite auction site. Not quite sure if it is a plate of Gosiutichthys parvus, or Knightia eocaena. The description listed them as small Knightia sp. (eocaena, most likely), but I know many of the Green River fish on the auction site are mis-identified. The individual fish look like Gosiutichthys to me. The largest one on the plate is about 2.25 inches. They seem to have the upward mouth gape, and the dorsal fins appear to me to be a bit more anterior of the center of the fish. I haven't gone as far as counting the fin rays yet, but am able to if necessary, (which is looking more likely ). Any thougths appreciated.

I've finally gotten around to prepping some Green River fish I dug from Warfield Fossil Quarry about 10 years ago. I've identified several of them as a specific Knightia species, but I'm not sure of the correct species name. According to Paleontology of the Green River Formation, with a Review of the Fish Fauna," Geological Survey of Wyoming Bulletin 63, by Gary Glass, published in 1984, the correct identification is Knightia humilis, with K. eocaena being a junior homonym. But according to A Revision of the Fossil Genus Knightia, With a Description of a New Genus from the Green River Formation, by Lance Grande and published 2 years earlier, K. humilis is the junior homonym and K. eocaena is the valid name for the species. I've searched this forum and found both names used. Can someone tell me what is currently considered the correct name? (Sorry I've had to insert links rather than add the actual documents, they are both too large to attach here.)