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Baldy Butte SW-Blazing Saddle, Garfield County, Montana, USA

Lat/Long (Decimal)	47.55,-107.133
Co-ordinates Derivation	unpublished field data
Given Location	Montana, United States
Mindat.org Region (for given coordinates)	Garfield County, Montana, USA

Collections

Collection	Reference	Stratigraphic Name	Comments	Lithology	Age
Baldy Butte SW-Blazing Saddle	Archibald J. D. (1982)	Hell Creek		sandstone	70.6 - 66 Ma Late/Upper Cretaceous

Recorded Fossils

Accepted Name	Hierarchy	Age
Acipenser sp. genus	Animalia : Chordata : Actinopteri : Acipenseriformes : Acipenseridae : *Acipenser*	70.6 - 66 Ma Late/Upper Cretaceous
Amia sp. genus	Animalia : Chordata : Actinopteri : Amiiformes : Amiidae : *Amia*	70.6 - 66 Ma Late/Upper Cretaceous
Amiidae family	Animalia : Chordata : Actinopterygii : Amiiformes : Amiidae	70.6 - 66 Ma Late/Upper Cretaceous
Melvius thomasi species	Animalia : Chordata : Actinopteri : Amiiformes : Amiidae : Melvius : *Melvius thomasi*	70.6 - 66 Ma Late/Upper Cretaceous
Lepisosteidae family	Animalia : Chordata : Actinopterygii : Lepisosteiformes : Lepisosteidae	70.6 - 66 Ma Late/Upper Cretaceous
Lepisosteus sp. genus	Animalia : Chordata : Actinopterygii : Lepisosteiformes : Lepisosteidae : *Lepisosteus*	70.6 - 66 Ma Late/Upper Cretaceous
Platacodon nanus species	Animalia : Chordata : Actinopteri : Sciaenidae : Platacodon : *Platacodon nanus*	70.6 - 66 Ma Late/Upper Cretaceous
Lonchidion selachos species	Animalia : Chordata : Chondrichthyes : Hybodontiformes : Lonchidiidae : Lonchidion : *Lonchidion selachos*	70.6 - 66 Ma Late/Upper Cretaceous
Myledaphus bipartitus species	Animalia : Chordata : Chondrichthyes : Myliobatiformes : Dasyatidae : Myledaphus : *Myledaphus bipartitus*	70.6 - 66 Ma Late/Upper Cretaceous
Mammalia class	Animalia : Chordata : Mammalia	70.6 - 66 Ma Late/Upper Cretaceous
Alphadon sp. genus	Animalia : Chordata : Mammalia : Didelphimorphia : Didelphidae : *Alphadon*	70.6 - 66 Ma Late/Upper Cretaceous
Glasbius twitchelli species	Animalia : Chordata : Mammalia : Paucituberculata : Glasbiidae : Glasbius : *Glasbius twitchelli*	70.6 - 66 Ma Late/Upper Cretaceous
Multituberculata order	Animalia : Chordata : Mammalia : Multituberculata	70.6 - 66 Ma Late/Upper Cretaceous
Cimolodon nitidus species	Animalia : Chordata : Mammalia : Multituberculata : Cimolodontidae : Cimolodon : *Cimolodon nitidus*	70.6 - 66 Ma Late/Upper Cretaceous
Essonodon browni species	Animalia : Chordata : Mammalia : Eucosmodontidae : Essonodon : *Essonodon browni*	70.6 - 66 Ma Late/Upper Cretaceous
Mesodma formosa species	Animalia : Chordata : Mammalia : Multituberculata : Neoplagiaulacidae : Mesodma : *Mesodma formosa*	70.6 - 66 Ma Late/Upper Cretaceous
Mesodma hensleighi species	Animalia : Chordata : Mammalia : Ptilodontidae : Mesodma : *Mesodma hensleighi*	70.6 - 66 Ma Late/Upper Cretaceous
Mesodma thompsoni species	Animalia : Chordata : Mammalia : Multituberculata : Neoplagiaulacidae : Mesodma : *Mesodma thompsoni*	70.6 - 66 Ma Late/Upper Cretaceous
Gypsonictops sp. genus	Animalia : Chordata : Mammalia : Pilosa : Gypsonictopidae : *Gypsonictops*	70.6 - 66 Ma Late/Upper Cretaceous
Aletridelphys florencae species	Animalia : Chordata : Mammalia : Didelphimorphia : Peradectidae : Aletridelphys : *Pediomys florencae*	70.6 - 66 Ma Late/Upper Cretaceous
Leptalestes krejcii species	Animalia : Chordata : Mammalia : Pediomyidae : Leptalestes : *Pediomys krejcii*	70.6 - 66 Ma Late/Upper Cretaceous
Ceratopsidae family	Animalia : Chordata : Reptilia : Dinosauria : Ceratopsidae	70.6 - 66 Ma Late/Upper Cretaceous
Hadrosauridae family	Animalia : Chordata : Reptilia : Dinosauria : Hadrosauridae	70.6 - 66 Ma Late/Upper Cretaceous
Ceratopsia unranked clade	Animalia : Chordata : Ornithischia : Ceratopsia	70.6 - 66 Ma Late/Upper Cretaceous
Anura order	Animalia : Chordata : Osteichthyes : Eobatrachus : Anura	70.6 - 66 Ma Late/Upper Cretaceous
Lisserpeton sp. genus	Animalia : Chordata : Osteichthyes : Caudata : Scapherpetontidae : *Lisserpeton*	70.6 - 66 Ma Late/Upper Cretaceous
Scapherpeton tectum species	Animalia : Chordata : Osteichthyes : Caudata : Scapherpetontidae : Scapherpeton : *Scapherpeton tectum*	70.6 - 66 Ma Late/Upper Cretaceous
Osteichthyes unranked clade	Animalia : Chordata : Osteichthyes	70.6 - 66 Ma Late/Upper Cretaceous
Opisthotriton sp. genus	Animalia : Chordata : Osteichthyes : Proteida : Batrachosauroididae : *Opisthotriton*	70.6 - 66 Ma Late/Upper Cretaceous
Champsosaurus sp. genus	Animalia : Chordata : Reptilia : Champsosauridae : *Champsosaurus*	70.6 - 66 Ma Late/Upper Cretaceous
Brachychampsa sp. genus	Animalia : Chordata : Reptilia : Crocodylia : Crocodylidae : *Brachychampsa*	70.6 - 66 Ma Late/Upper Cretaceous
Crocodylidae family	Animalia : Chordata : Reptilia : Crocodylia : Crocodylidae	70.6 - 66 Ma Late/Upper Cretaceous
Crocodylia order	Animalia : Chordata : Reptilia : Crocodylia	70.6 - 66 Ma Late/Upper Cretaceous
Squamata order	Animalia : Chordata : Reptilia : Squamata	70.6 - 66 Ma Late/Upper Cretaceous
Anguidae family	Animalia : Chordata : Reptilia : Squamata : Anguidae	70.6 - 66 Ma Late/Upper Cretaceous
Odaxosaurus piger species	Animalia : Chordata : Reptilia : Squamata : Anguidae : Odaxosaurus : *Peltosaurus piger*	70.6 - 66 Ma Late/Upper Cretaceous
Chamops segnis species	Animalia : Chordata : Reptilia : Squamata : Teiidae : Chamops : *Chamops segnis*	70.6 - 66 Ma Late/Upper Cretaceous
Leptochamops denticulatus species	Animalia : Chordata : Reptilia : Squamata : Chamopsiidae : Leptochamops : *Leptochamops denticulatus*	70.6 - 66 Ma Late/Upper Cretaceous
Peneteius aquilonius species	Animalia : Chordata : Reptilia : Squamata : Teiidae : Peneteius : *Peneteius aquilonius*	70.6 - 66 Ma Late/Upper Cretaceous
Obamadon gracilis species	Animalia : Chordata : Reptilia : Squamata : Obamadon : *Obamadon gracilis*	70.6 - 66 Ma Late/Upper Cretaceous
Exostinus sp. genus	Animalia : Chordata : Reptilia : Squamata : Xenosauridae : *Exostinus*	70.6 - 66 Ma Late/Upper Cretaceous
Cryptodira suborder	Animalia : Chordata : Reptilia : Testudines : Cryptodira	70.6 - 66 Ma Late/Upper Cretaceous
Testudines order	Animalia : Chordata : Reptilia : Testudines	70.6 - 66 Ma Late/Upper Cretaceous
Adocus sp. genus	Animalia : Chordata : Reptilia : Testudines : Adocidae : *Adocus*	70.6 - 66 Ma Late/Upper Cretaceous
Baenidae family	Animalia : Chordata : Reptilia : Testudines : Baenidae	70.6 - 66 Ma Late/Upper Cretaceous
Chelydridae family	Animalia : Chordata : Reptilia : Testudines : Chelydridae	70.6 - 66 Ma Late/Upper Cretaceous
Kinosternoidea family	Animalia : Chordata : Reptilia : Testudines : Kinosternoidea	70.6 - 66 Ma Late/Upper Cretaceous
Basilemys sp. genus	Animalia : Chordata : Reptilia : Testudines : Nanhsiungchelyidae : *Basilemys*	70.6 - 66 Ma Late/Upper Cretaceous
Compsemys victa species	Animalia : Chordata : Reptilia : Testudines : Compsemydidae : Compsemys : *Compsemys victa*	70.6 - 66 Ma Late/Upper Cretaceous
Helopanoplia distincta species	Animalia : Chordata : Reptilia : Testudines : Trionychidae : Helopanoplia : *Helopanoplia distincta*	70.6 - 66 Ma Late/Upper Cretaceous
Trionychidae family	Animalia : Chordata : Reptilia : Testudines : Trionychidae	70.6 - 66 Ma Late/Upper Cretaceous
Coeluridae family	Animalia : Chordata : Saurischia : Avetheropoda : Coeluridae	70.6 - 66 Ma Late/Upper Cretaceous
Richardoestesia sp. genus	Animalia : Chordata : Reptilia : Dinosauria : Dromaeosauridae : *Richardoestesia*	70.6 - 66 Ma Late/Upper Cretaceous
Pectinodon sp. genus	Animalia : Chordata : Saurischia : Avetheropoda : Troodontidae : *Pectinodon*	70.6 - 66 Ma Late/Upper Cretaceous
Theropoda unranked clade	Animalia : Chordata : Saurischia : Theropoda	70.6 - 66 Ma Late/Upper Cretaceous

References

Archibald J. D. (1982) A study of Mammalia and geology across the Cretaceous-Tertiary boundary in Garfield County, Montana, University of California Publications in Geological Sciences 122, 1-286

Database UCMP (2005) UCMP collections database, University of California Museum of Paleontology

Alroy J. (2007) Synonymies and reidentifications of North American fossil vertebrates and so forth

Longrich N. R., Bhullar B.-A. S., et al (2012) Mass extinction of lizards and snakes at the Cretaceous–Paleogene boundary, Proceedings of the National Academy of Sciences 109 52, 21396-21401 doi:10.1073/pnas.1211526110

Larson D. W., Currie P. J. (2013) Multivariate analyses of small theropod dinosaur teeth and implications for paleoecological turnover through time, PLoS ONE 8 1, e54329:1-14 doi:10.1371/journal.pone.0054329

Carrano M. T. (2020) Taxonomic opinions on the Dinosauria

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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