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Billy Creek 1, Garfield County, Montana, USA

Lat/Long (Decimal)47.6167,-107.317
Co-ordinates Derivationunpublished field data
Given LocationMontana, United States
Mindat.org Region (for given coordinates)Garfield County, Montana, USA

Collections

CollectionReferenceStratigraphic NameCommentsLithologyAge
Billy Creek 1 (Puercan)Archibald J. D. (1982)Hell Creekpaleomagnetic sections are given by Archibald et al. 1982 and Swisher et al. 1995 but are not very helpful because the locality is from a channel sandstone deeply incised into the formationsandstone66 - 63.3 Ma
Paleocene
Billy Creek 1Database UCMP (2005)Hell Creeksandstone70.6 - 66 Ma
Late/Upper Cretaceous
Billy Creek 2Archibald J. D. (1982)Hell Creeksandstone70.6 - 66 Ma
Late/Upper Cretaceous

Recorded Fossils

Accepted NameHierarchyAge
Acipenser sp.
genus
Animalia : Chordata : Actinopteri : Acipenseriformes : Acipenseridae : Acipenser70.6 - 66 Ma
Late/Upper Cretaceous
Acipenseridae
family
Animalia : Chordata : Actinopterygii : Acipenseriformes : Acipenseridae70.6 - 66 Ma
Late/Upper Cretaceous
Amia sp.
genus
Animalia : Chordata : Actinopteri : Amiiformes : Amiidae : Amia70.6 - 66 Ma
Late/Upper Cretaceous
Lepisosteidae
family
Animalia : Chordata : Actinopterygii : Lepisosteiformes : Lepisosteidae70.6 - 66 Ma
Late/Upper Cretaceous
Lepisosteus sp.
genus
Animalia : Chordata : Actinopterygii : Lepisosteiformes : Lepisosteidae : Lepisosteus70.6 - 66 Ma
Late/Upper Cretaceous
Lepisosteus occidentalis
species
Animalia : Chordata : Actinopteri : Lepisosteiformes : Lepisosteidae : Lepisosteus : Lepisosteus occidentalis70.6 - 66 Ma
Late/Upper Cretaceous
Myledaphus bipartitus
species
Animalia : Chordata : Chondrichthyes : Myliobatiformes : Dasyatidae : Myledaphus : Myledaphus bipartitus70.6 - 66 Ma
Late/Upper Cretaceous
Mammalia
class
Animalia : Chordata : Mammalia70.6 - 66 Ma
Late/Upper Cretaceous
Theria
subclass
Animalia : Chordata : Mammalia : Theria70.6 - 66 Ma
Late/Upper Cretaceous
Condylarthra
suborder
Animalia : Chordata : Mammalia : Condylarthra66 - 63.3 Ma
Paleocene
Didelphodon vorax
species
Animalia : Chordata : Mammalia : Didelphimorphia : Stagodontidae : Didelphodon : Didelphodon vorax70.6 - 66 Ma
Late/Upper Cretaceous
Mesodma thompsoni
species
Animalia : Chordata : Mammalia : Multituberculata : Neoplagiaulacidae : Mesodma : Mesodma thompsoni70.6 - 66 Ma
Late/Upper Cretaceous
Mimatuta morgoth
species
Animalia : Chordata : Mammalia : Periptychidae : Mimatuta : Mimatuta morgoth66 - 63.3 Ma
Paleocene
Ceratopsidae
family
Animalia : Chordata : Reptilia : Dinosauria : Ceratopsidae70.6 - 66 Ma
Late/Upper Cretaceous
Hypsilophodontidae
family
Animalia : Chordata : Reptilia : Dinosauria : Hypsilophodontidae70.6 - 66 Ma
Late/Upper Cretaceous
Scapherpeton sp.
genus
Animalia : Chordata : Osteichthyes : Caudata : Scapherpetontidae : Scapherpeton70.6 - 66 Ma
Late/Upper Cretaceous
Scapherpeton tectum
species
Animalia : Chordata : Osteichthyes : Caudata : Scapherpetontidae : Scapherpeton : Scapherpeton tectum70.6 - 66 Ma
Late/Upper Cretaceous
Habrosaurus sp.
genus
Animalia : Chordata : Amphibia : Caudata : Sirenidae : Habrosaurus70.6 - 66 Ma
Late/Upper Cretaceous
Osteichthyes
unranked clade
Animalia : Chordata : Osteichthyes70.6 - 66 Ma
Late/Upper Cretaceous
Tetrapoda
unranked clade
Animalia : Chordata : Osteichthyes : Austrobrachyops : Tetrapoda70.6 - 66 Ma
Late/Upper Cretaceous
Reptilia
class
Animalia : Chordata : Reptilia70.6 - 66 Ma
Late/Upper Cretaceous
Champsosauridae
family
Animalia : Chordata : Reptilia : Champsosauridae70.6 - 66 Ma
Late/Upper Cretaceous
Champsosaurus natator
species
Animalia : Chordata : Reptilia : Champsosauridae : Champsosaurus : Champsosaurus natator70.6 - 66 Ma
Late/Upper Cretaceous
Alligatoroidea
superfamily
Animalia : Chordata : Reptilia : Crocodylia : Balanerodus : Alligatoroidea70.6 - 66 Ma
Late/Upper Cretaceous
Alligatoridae
family
Animalia : Chordata : Reptilia : Crocodylia : Alligatoridae70.6 - 66 Ma
Late/Upper Cretaceous
Brachychampsa sp.
genus
Animalia : Chordata : Reptilia : Crocodylia : Crocodylidae : Brachychampsa70.6 - 66 Ma
Late/Upper Cretaceous
Brachychampsa montana
species
Animalia : Chordata : Reptilia : Crocodylia : Crocodylidae : Brachychampsa : Brachychampsa montana70.6 - 66 Ma
Late/Upper Cretaceous
Crocodylidae
family
Animalia : Chordata : Reptilia : Crocodylia : Crocodylidae70.6 - 66 Ma
Late/Upper Cretaceous
Crocodylia
order
Animalia : Chordata : Reptilia : Crocodylia70.6 - 66 Ma
Late/Upper Cretaceous
Squamata
order
Animalia : Chordata : Reptilia : Squamata70.6 - 66 Ma
Late/Upper Cretaceous
Cryptodira
suborder
Animalia : Chordata : Reptilia : Testudines : Cryptodira70.6 - 66 Ma
Late/Upper Cretaceous
Testudines
order
Animalia : Chordata : Reptilia : Testudines70.6 - 66 Ma
Late/Upper Cretaceous
Adocus sp.
genus
Animalia : Chordata : Reptilia : Testudines : Adocidae : Adocus70.6 - 66 Ma
Late/Upper Cretaceous
Baenidae
family
Animalia : Chordata : Reptilia : Testudines : Baenidae70.6 - 66 Ma
Late/Upper Cretaceous
Neurankylus sp.
genus
Animalia : Chordata : Reptilia : Testudines : Baenidae : Neurankylus70.6 - 66 Ma
Late/Upper Cretaceous
Chelydridae
family
Animalia : Chordata : Reptilia : Testudines : Chelydridae70.6 - 66 Ma
Late/Upper Cretaceous
Kinosternoidea
family
Animalia : Chordata : Reptilia : Testudines : Kinosternoidea70.6 - 66 Ma
Late/Upper Cretaceous
Judithemys backmani
species
Animalia : Chordata : Reptilia : Testudines : Sinemydidae : Judithemys : Judithemys backmani70.6 - 66 Ma
Late/Upper Cretaceous
Macrobaenidae
family
Animalia : Chordata : Reptilia : Testudines : Macrobaenidae70.6 - 66 Ma
Late/Upper Cretaceous
Basilemys sp.
genus
Animalia : Chordata : Reptilia : Testudines : Nanhsiungchelyidae : Basilemys70.6 - 66 Ma
Late/Upper Cretaceous
Compsemys sp.
genus
Animalia : Chordata : Reptilia : Testudines : Compsemydidae : Compsemys70.6 - 66 Ma
Late/Upper Cretaceous
Compsemys victa
species
Animalia : Chordata : Reptilia : Testudines : Compsemydidae : Compsemys : Compsemys victa70.6 - 66 Ma
Late/Upper Cretaceous
Emarginachelys sp.
genus
Animalia : Chordata : Reptilia : Testudines : Chelydridae : Emarginachelys70.6 - 66 Ma
Late/Upper Cretaceous
Tullochelys montana
species
Animalia : Chordata : Reptilia : Testudines : Chelydridae : Tullochelys : Tullochelys montana70.6 - 66 Ma
Late/Upper Cretaceous
Helopanoplia sp.
genus
Animalia : Chordata : Reptilia : Testudines : Trionychidae : Helopanoplia70.6 - 66 Ma
Late/Upper Cretaceous
Plastomenidae
unranked clade
Animalia : Chordata : Reptilia : Testudines : Plastomenidae70.6 - 66 Ma
Late/Upper Cretaceous
Trionychidae
family
Animalia : Chordata : Reptilia : Testudines : Trionychidae70.6 - 66 Ma
Late/Upper Cretaceous
Trionychinae
unranked clade
Animalia : Chordata : Reptilia : Testudines : Trionychidae : Trionychinae70.6 - 66 Ma
Late/Upper Cretaceous
Coeluridae
family
Animalia : Chordata : Saurischia : Avetheropoda : Coeluridae70.6 - 66 Ma
Late/Upper Cretaceous
Saurornitholestinae
subfamily
Animalia : Chordata : Saurischia : Avetheropoda : Dromaeosauridae : Saurornitholestinae70.6 - 66 Ma
Late/Upper Cretaceous
Paronychodon sp.
genus
Animalia : Chordata : Saurischia : Avetheropoda : Paronychodon70.6 - 66 Ma
Late/Upper Cretaceous
Ornithomimidae
family
Animalia : Chordata : Saurischia : Avetheropoda : Ornithomimidae70.6 - 66 Ma
Late/Upper Cretaceous
Theropoda
unranked clade
Animalia : Chordata : Saurischia : Theropoda70.6 - 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
Hutchison J. H. (2013) New turtles from the Paleogene of North America, Morphology and Evolution of Turtles, 477-497 doi:10.1007/978-94-007-4309-0_26
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
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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