The Amateur Paleontologist Posted July 31, 2018 Share Posted July 31, 2018 So I was browsing through the Archaeopteryx lithographica records on FossilWorks; and in one of the three records (from Workerszell, Eichstätt), I notice the mention of an 'unclassified' reptile taxon "Rhacehosaurus gracilis". The only further information that was provided was the age range (150.8 to 145.5 Ma) and the geographical distribution. I looked elsewhere online (google scholar, ResearchGate...) for any other mention of the genus "Rhacehosaurus", and nothing else turns up. Do you people know about this enigmatic taxon? Is it some kind of invalid synonym or something? I'd love to know more about this.. Opalised fossils are the best: a wonderful mix between paleontology and mineralogy! Q. Where do dinosaurs study? A. At Khaan Academy!... My ResearchGate profile Link to comment Share on other sites More sharing options...
DPS Ammonite Posted July 31, 2018 Share Posted July 31, 2018 Check out this reference from Journal of Paleontology that mentions Rhacehosaurus: http://paleobiodb.org/classic/displayReference?reference_no=43156 M. B. Andrade, M. T. Young, J. B. Desojo and S. L. Brusatte. 2010. The evolution of extreme hypercarnivory in Metriorhynchidae (Mesoeucrocodylia: Thalattosuchia) based on evidence from microscopic denticle morphology. Journal of Vertebrate Paleontology 30(5):1451-1465 [M. Young/M. Young] 2 My goal is to leave no stone or fossil unturned. See my Arizona Paleontology Guide link The best single resource for Arizona paleontology anywhere. Link to comment Share on other sites More sharing options...
The Amateur Paleontologist Posted July 31, 2018 Author Share Posted July 31, 2018 Thanks for the paper looking forward to finding more about it (I wasn't really expecting Rhacehosaurus to appear in a metryorhynchid paper, though)... Opalised fossils are the best: a wonderful mix between paleontology and mineralogy! Q. Where do dinosaurs study? A. At Khaan Academy!... My ResearchGate profile Link to comment Share on other sites More sharing options...
piranha Posted July 31, 2018 Share Posted July 31, 2018 correct spelling: Rhacheosaurus 1 Link to comment Share on other sites More sharing options...
DPS Ammonite Posted July 31, 2018 Share Posted July 31, 2018 Thanks Piranha for the correct spelling. Without knowledge of the genus, finding the correct spelling would be difficult. Google search did not find the correct spelling when I searched for the incorrect one. See Wikipedia article with references. https://en.m.wikipedia.org/wiki/Rhacheosaurus My goal is to leave no stone or fossil unturned. See my Arizona Paleontology Guide link The best single resource for Arizona paleontology anywhere. Link to comment Share on other sites More sharing options...
The Amateur Paleontologist Posted July 31, 2018 Author Share Posted July 31, 2018 @piranha Thanks for the correction And sorry for spreading misinformation, guys Opalised fossils are the best: a wonderful mix between paleontology and mineralogy! Q. Where do dinosaurs study? A. At Khaan Academy!... My ResearchGate profile Link to comment Share on other sites More sharing options...
piranha Posted July 31, 2018 Share Posted July 31, 2018 1 minute ago, The Amateur Paleontologist said: @piranha Thanks for the correction And sorry for spreading misinformation, guys It wasn't your fault. PBDB has it wrong on the page you linked. It is correct at another entry at PBDB. Typos happen! lol 1 Link to comment Share on other sites More sharing options...
The Amateur Paleontologist Posted July 31, 2018 Author Share Posted July 31, 2018 Ok, thanks for the info.. I hadn't considered the option that it was a typo Opalised fossils are the best: a wonderful mix between paleontology and mineralogy! Q. Where do dinosaurs study? A. At Khaan Academy!... My ResearchGate profile Link to comment Share on other sites More sharing options...
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