Bull Canyon Formation: Difference between revisions - Wikipedia


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== Paleobiota ==

{{paleobiota-key-compact}}Several microvertebrate assemblages are known from the Bull Canyon Formation.<ref>{{Cite journal |last=Lucas |first=Spencer G. |last2=Oakes |first2=Wayne |last3=Froehlich |first3=Jeffery W. |date=1985 |title=Triassic microvertebrate locality, Chinle Formation, east-central New Mexico |url=https://nmgs.nmt.edu/publications/guidebooks/downloads/36/36_p0205_p0212.pdf |journal=New Mexico Geological Society 36th Annual Fall Field Conference Guidebook |language=en |publisher=New Mexico Geological Society |pages=205–212 |doi=10.56577/FFC-36.205}}</ref><ref>{{Cite journal |last=Hunt |first=Adrian P. |last2=Lucas |first2=Spencer G. |date=1993 |title=Late Triassic microvertebrate localities in New Mexico (USA): implications for paleoecology |url=https://www.google.com/books/edition/The_Nonmarine_Triassic/qbP9CQAAQBAJ?hl=en&gbpv=1&pg=PA187&printsec=frontcover |journal=New Mexico Museum of Natural History and Science Bulletin |volume=3 |pages=187–192}}</ref><ref name=":6">{{Cite journal |last=Heckert |first=Andrew B. |date=2004 |title=Upper Triassic microvertebrates from the lower Chinle Group: Introduction, methods, and previous studies |url=https://www.google.com/books/edition/Late_Triassic_microvertebrates_from_the/T2cfCgAAQBAJ?hl=en&gbpv=1&pg=PA3&printsec=frontcover |journal=New Mexico Museum of Natural History and Science Bulletin |volume=27 |pages=3–11}}</ref><ref>{{Cite journal |last=Heckert |first=Andrew B. |last2=Lucas |first2=Spencer G. |date=2006 |title=Micro- and small vertebrate biostratigraphy and biochronology of the Upper Triassic Chinle Group, southwestern USA |url=https://www.google.com/books/edition/The_Triassic_Jurassic_Terrestrial_Transi/ulvmCQAAQBAJ?hl=en&gbpv=1&pg=PA94&printsec=frontcover |journal=New Mexico Museum of Natural History and Science Bulletin |volume=37 |pages=94–104}}</ref>

{{paleobiota-key-compact}}

=== Temnospondyls ===

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|Bull Canyon,<br>Revuelto Creek,<br>Barranca Creek

|Partial skeletons including vertebrae and hindlimb material

|Various fragmentary fossils in the Bull Canyon Formation have been referred to specific saurischian dinosaur taxa (''Coelophysis'', ''[[Chindesaurus]]'',<ref name=":02">{{Cite journal |last1=Long |first1=Robert A. |last2=Murry |first2=Phillip A. |date=1995 |title=Late Triassic (Carnian and Norian) tetrapods from the Southwestern United States |url=https://books.google.com/books?id=wbv9CQAAQBAJ |journal=New Mexico Museum of Natural History and Science Bulletin |volume=4 |pages=1–254}}</ref> [[Herrerasauridae|herrerasaurids]],<ref>{{Cite journal |last=Hunt |first=Adrian P. |last2=Lucas |first2=Spencer G. |date=1993 |title=Triassic vertebrate paleontology and biochronology of New Mexico |url=https://www.google.com/books/edition/Vertebrate_Paleontology_in_New_Mexico/da79CQAAQBAJ?hl=en&gbpv=1&pg=PA49&printsec=frontcover |journal=New Mexico Museum of Natural History and Science Bulletin |volume=2 |pages=49–60}}</ref><ref name=":112">{{Cite journal |last=Hunt |first=Adrian P. |date=2001 |title=The vertebrate fauna, biostratigraphy and biochronology of the type Revultian land vertebrate faunachron, Bull Canyon Formation (Upper Triassic), east-central New Mexico |url=https://nmgs.nmt.edu/publications/guidebooks/downloads/52/52_p0123_p0151.pdf |journal=New Mexico Geological Society Guidebook, 52nd Field Conference, Geology of the Llano Estacado |language=en |publisher=New Mexico Geological Society |pages=123–151 |doi=10.56577/FFC-52.123 |isbn=978-1-58546-087-8}}</ref> "[[Prosauropod|prosauropods]]",<ref name=":02" /> etc.). These referrals are very tenuous and not widely followed. Some purported dinosaur fossils, such as specimen NMMNH P-17375 ("''Cryptoraptor lockleyi''") are difficult to distinguish from ''Shuvosaurus''.<ref name="nesbittetal2007" />

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|[[Crocodylomorpha]] indet.

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|Barranca Creek

|Partial skeleton and skull fragments

|An unnamed "[[Sphenosuchia|sphenosuchian]]"-[[Evolutionary grade|grade]] crocodylomorph similar to ''[[Hesperosuchus]]''.<ref>{{Cite journal |last=Hunt |first=Adrian P. |last2=Spielmann |first2=Justin A. |last3=Lucas |first3=Spencer G. |date=2006 |title=A sphenosuchian (Archosauria, Crocodylomorpha) with a partial pelvis from the Upper Triassic Bull Canyon Formation (Norian: Revueltian), East-Central, New Mexico |url=https://www.researchgate.net/publication/281782767 |journal=New Mexico Museum of Natural History and Science Bulletin |volume=37 |pages=571–574}}</ref>

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|Revuelto Creek

|Tooth plates

|"Phyllodont" fish teeth, which may belong to true colobodontid [[Perleidiformes|perleidiforms]],<ref name=":112" /> or to other unrelated fish.<ref name=":6" />

|[[Perleidiformes|Perleidiform]] fish

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