oldtimer Posted February 20, 2018 Share Posted February 20, 2018 I saw these two different Trilobites and want to confirm the ID. They are from the Wheeler Shale group in Utah. Picture one is? Picture two is? 1 Link to comment Share on other sites More sharing options...
RyanDye Posted February 20, 2018 Share Posted February 20, 2018 I like the way you made this post, I might try this some time. Link to comment Share on other sites More sharing options...
Kane Posted February 20, 2018 Share Posted February 20, 2018 1. Itagnostus interstrictus (commonly and mistakenly referred to as Peronopsis). 2. Elrathia kingii. 4 ...How to Philosophize with a Hammer Link to comment Share on other sites More sharing options...
oldtimer Posted February 20, 2018 Author Share Posted February 20, 2018 Thanks @Kane I thought Itagnostus interstrictus was correct and was mislabeled as Perenopsis. Link to comment Share on other sites More sharing options...
Tidgy's Dad Posted February 20, 2018 Share Posted February 20, 2018 Isn't it Itagnostus interstrictus, now? Life's Good! Tortoise Friend. Link to comment Share on other sites More sharing options...
Kane Posted February 20, 2018 Share Posted February 20, 2018 6 minutes ago, Tidgy's Dad said: Isn't it Itagnostus interstrictus, now? Yes... just a minor typo at my species level. Corrected. ...How to Philosophize with a Hammer Link to comment Share on other sites More sharing options...
Tidgy's Dad Posted February 20, 2018 Share Posted February 20, 2018 1 minute ago, Kane said: Yes... just a minor typo at my species level. I get terribly confused with all these name changes. Life's Good! Tortoise Friend. Link to comment Share on other sites More sharing options...
Kane Posted February 20, 2018 Share Posted February 20, 2018 13 minutes ago, Tidgy's Dad said: I get terribly confused with all these name changes. Well, it was relatively recent... In paleontological research terms, it may as well have been yesterday! Elena Naimark reclassified the entire genus of Peronopsis in 2012. See: Naimark, E.B. "Hundred Species of the Genus Peronopsis Hawle et Corda, 1847." Paleontological Journal, 2012, Vol. 46, No. 9, pp. 945–1057 1 ...How to Philosophize with a Hammer Link to comment Share on other sites More sharing options...
Wrangellian Posted February 20, 2018 Share Posted February 20, 2018 Picture one is small and Picture two is also small! Link to comment Share on other sites More sharing options...
oldtimer Posted February 20, 2018 Author Share Posted February 20, 2018 2 hours ago, Tidgy's Dad said: Isn't it Itagnostus interstrictus, now? Correction noted. Thanks 37 minutes ago, Wrangellian said: Picture one is small and Picture two is also small! I know but I figured coming from the popular Wheeler Shale of Utah they would be recognized. Link to comment Share on other sites More sharing options...
Wrangellian Posted February 20, 2018 Share Posted February 20, 2018 I guess you were right... I would have been nervous about labeling them if there were other similar taxa from that location. Link to comment Share on other sites More sharing options...
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