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Showing results for tags 'rhynchocephalia'.
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Tuataras May Have Originated as Early as 190 Million Years Ago
Oxytropidoceras posted a topic in Fossil News
Tuataras May Have Originated as Early as 190 Million Years Ago Enrico de Lazaro, SciNews, March 4, 2022 The open access paper is: Simões, T.R., Kinney-Broderick, G. and Pierce, S.E., 2022. An exceptionally preserved Sphenodon-like sphenodontian reveals deep time conservation of the tuatara skeleton and ontogeny. Communications biology, 5(1), pp.1-19. Yours, Paul H.- 3 replies
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ID requested: Triassic Bull Canyon Formation microfossil teeth (Norian Age)
ziggycardon posted a topic in Fossil ID
Hi! I recently aqcuired quite a lot of "microfossils" to kick off my Triassic collection, as I personally find it one of the most interesting time periods and while I am aware possibly not all of them are ID'd correctly I just wanted to get some nice fossils from this time period regardless of their ID's. All the fossils I acquired are from the Bull Canyon Formation, Dockum Group, San Miguel County, New Mexico, USA (Norian age) But I myself am not very knowledgeable yet in this material as I just started my collection but I am aware that some if not most of the ID's on these fossils given by the seller might be wrong as everything I read about the Bull Canyon formation says that the formation isn't that well discribed yet. I tried to make the photo's as good as I could, but it wasn't always easy given their extremely small size, so I hope the quality is good enough to work with. So I am kinda hoping is someone here on the forum would like to give it a try to see if he/she could confirm or disprove given ID's. Thank you in advance! The first set of 2 teeth were listed as the Phytosaur "Pseudopalatus" teeth which after doing a bit of research is considered a junior synonym for "Machaeroprosopus" The next collection of 3 teeth were listed as the Pseudosuchian "Revueltosaurus" The next tooth was listed as a "Theropod indet" tooth, and I know there are at least 2 species of theropod present at Bull Canyon, a Coelophysid called Gojirasaurus and a herrerasaurid called Chindesaurus. But I am not even sure whether this tooth is dinosaurian or not. The next set of teeth were listed as "Arganodus" lungfish teeth And the final tooth was listed as a "Sphenodont" (Rhynchocephalia indet.) tooth with affinities to Clevosaurus (which is found in Nova Scotia, Great Britain and China)- 8 replies
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- archosaur
- arganodus
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Tagged with:
- archosaur
- arganodus
- bull canyon formation
- chindesaurus
- clevosaurus
- coelophysis
- dockum group
- gojirasaurus
- herrerasaurid
- lungfish
- machaeroprosopus
- microfossils
- new mexico
- norian
- phytosaur
- pseudopalatus
- pseudosuchian
- revueltosaurus
- rhynchocephalia
- san miguel county
- sphenodont
- theropoda
- triassic
- tuatara