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Bridger - upper, Wyoming, USA

FormationBridger
Memberupper
Age:50.3 - 46.2 Ma
Eocene
IntervalBridgerian
Number of Collections68
Number of Occurrences260

Recorded Sample Locations

LocationRegionStratigraphic Name
Knight StationUinta County, Wyoming, USABridger - upper
Rock Springs Uplift Sweetwater County, Wyoming, USABridger - upper
2 miles north of Lone Tree Post Office Uinta County, Wyoming, USABridger - upper

Associated Units

Stratigraphic NameAgeLithologyOccurrence Records
Bridger46.2 - 37.2 Ma
Eocene
tuff, mudstone/sandstone, claystone, "siliciclastic"/sandstone, mudstone, siltstone923
Bridger - Black's Fork50.3 - 46.2 Ma
Eocene
mudstone25
Bridger - Blacks Fork50.3 - 46.2 Ma
Eocene
sandstone29
Bridger - lower50.3 - 46.2 Ma
Eocene
322
Fort Union55.8 - 2.59 Ma
Cenozoic
siltstone/sandstone, sandstone, "shale", "siliciclastic", mudstone, siltstone, claystone, lignite, coal, "shale"/coal, "shale"/sandstone, sandstone/"shale", sandstone/coal, coal/sandstone, sandstone/claystone, "siliciclastic"/coal, coal/claystone, claystone/"shale"2477
Green River40.4 - 33.9 Ma
Paleogene
limestone, "shale", marl, lime mudstone, diatomite, diatomite/"shale", mudstone, tuff661
Green River - Farson Sandstone50.3 - 46.2 Ma
Eocene
7
Green River - Laney46.2 - 33.9 Ma
Paleogene
carbonate, diatomite/"shale", "shale"/marl, "limestone", "shale"197
Green River - Tipton Shale50.3 - 46.2 Ma
Eocene
4
Green River - Wilkins Peak50.3 - 33.9 Ma
Paleogene
carbonate39
Wasatch55.8 - 50.3 Ma
Eocene
182
Wasatch - Cathedral Bluffs50.3 - 46.2 Ma
Eocene
25
Wasatch - Cathedral Bluffs Tongue50.3 - 46.2 Ma
Eocene
mudstone92
Wasatch - Main Body55.8 - 50.3 Ma
Eocene
5
Wasatch - Niland Tongue55.8 - 50.3 Ma
Eocene
sandstone, "shale", siltstone83
Washakie37.2 - 33.9 Ma
Paleogene
sandstone81
Washakie - lower Adobe Town46.2 - 40.4 Ma
Eocene
36
Washakie - middle Adobe Town46.2 - 40.4 Ma
Eocene
23
Washakie - upper Adobe Town46.2 - 40.4 Ma
Eocene
10

Recorded Fossils

Accepted NameHierarchyAge
Amia sp.
genus
6Animalia : Chordata : Actinopteri : Amiiformes : Amiidae : Amia50.3 - 46.2 Ma
Eocene
Lepisosteus sp.
genus
6Animalia : Chordata : Actinopterygii : Lepisosteiformes : Lepisosteidae : Lepisosteus50.3 - 46.2 Ma
Eocene
Accipitridae
family
5Animalia : Chordata : Aves : Accipitriformes : Accipitridae50.3 - 46.2 Ma
Eocene
Presbyornis sp.
genus
6Animalia : Chordata : Aves : Anseriformes : Presbyornithidae : Presbyornis50.3 - 46.2 Ma
Eocene
Burhinidae
family
5Animalia : Chordata : Aves : Charadriiformes : Burhinidae50.3 - 46.2 Ma
Eocene
Coraciiformes
order
4Animalia : Chordata : Aves : Coraciiformes50.3 - 46.2 Ma
Eocene
Geranoididae
family
5Animalia : Chordata : Reptilia : Dinosauria : Geranoididae50.3 - 46.2 Ma
Eocene
Rallidae
family
5Animalia : Chordata : Aves : Gruiformes : Rallidae50.3 - 46.2 Ma
Eocene
Juncitarsus gracillimus
species
7Animalia : Chordata : Aves : Phoenicopteriformes : Phoenicopteridae : Juncitarsus : Juncitarsus gracillimus50.3 - 46.2 Ma
Eocene
Strigiformes
order
4Animalia : Chordata : Aves : Strigiformes50.3 - 46.2 Ma
Eocene
Mammalia
class
3Animalia : Chordata : Mammalia50.3 - 46.2 Ma
Eocene
Artiodactyla
order
4Animalia : Chordata : Mammalia : Artiodactyla50.3 - 46.2 Ma
Eocene
Diacodexis secans
species
7Animalia : Chordata : Mammalia : Artiodactyla : Diacodexeidae : Diacodexis : Diacodexis secans50.3 - 46.2 Ma
Eocene
Antiacodon sp.
genus
6Animalia : Chordata : Mammalia : Artiodactyla : Dichobunidae : Antiacodon50.3 - 46.2 Ma
Eocene
Antiacodon pygmaeus
species
7Animalia : Chordata : Mammalia : Artiodactyla : Homacodontidae : Antiacodon : Antiacodon pygmaeus50.3 - 46.2 Ma
Eocene
Antiacodon venustus
species
7Animalia : Chordata : Mammalia : Artiodactyla : Dichobunidae : Antiacodon : Antiacodon venustus50.3 - 46.2 Ma
Eocene
Homacodon sp.
genus
6Animalia : Chordata : Mammalia : Artiodactyla : Dichobunidae : Homacodon50.3 - 46.2 Ma
Eocene
Homacodon vagans
species
7Animalia : Chordata : Mammalia : Artiodactyla : Dichobunidae : Homacodon : Homacodon vagans50.3 - 46.2 Ma
Eocene
Microsus sp.
genus
6Animalia : Chordata : Mammalia : Primates : Microsus50.3 - 46.2 Ma
Eocene
Microsus cuspidatus
species
7Animalia : Chordata : Mammalia : Primates : Microsus : Microsus cuspidatus50.3 - 46.2 Ma
Eocene
Elotherium lentus
species
7Animalia : Chordata : Mammalia : Artiodactyla : Helohyidae : Helohyus : Elotherium lentus50.3 - 46.2 Ma
Eocene
Helohyus milleri
species
7Animalia : Chordata : Mammalia : Artiodactyla : Helohyidae : Helohyus : Helohyus milleri50.3 - 46.2 Ma
Eocene
Helohyus plicodon
species
7Animalia : Chordata : Mammalia : Artiodactyla : Helohyidae : Helohyus : Helohyus plicodon50.3 - 46.2 Ma
Eocene
Hyopsodus sp.
genus
6Animalia : Chordata : Mammalia : Hyopsodontidae : Hyopsodus50.3 - 46.2 Ma
Eocene
Hyopsodus lepidus
species
7Animalia : Chordata : Mammalia : Hyopsodontidae : Hyopsodus : Hyopsodus lepidus50.3 - 46.2 Ma
Eocene
Hyopsodus paulus
species
7Animalia : Chordata : Mammalia : Condylarthra : Hyopsodontidae : Hyopsodus : Hyopsodus paulus50.3 - 46.2 Ma
Eocene
Patriofelis ferox
species
7Oxyaenidae : Patriofelis : Patriofelis ferox50.3 - 46.2 Ma
Eocene
Uintatherium anceps
species
7Animalia : Chordata : Mammalia : Dinocerata : Uintatheriidae : Uintatherium : Uintatherium anceps50.3 - 46.2 Ma
Eocene
Centetodon altidens
species
7Animalia : Chordata : Mammalia : Cimolestidae : Didelphodus : Centetodon altidens50.3 - 46.2 Ma
Eocene
Limnocyon medius
species
7Animalia : Chordata : Mammalia : Hyaenodontidae : Limnocyon : Limnocyon medius50.3 - 46.2 Ma
Eocene
Limnocyon verus
species
7Animalia : Chordata : Mammalia : Hyaenodonta : Limnocyon : Limnocyon verus50.3 - 46.2 Ma
Eocene
Insectivora
order
4Animalia : Chordata : Mammalia : Insectivora50.3 - 46.2 Ma
Eocene
Apatemys sp.
genus
6Animalia : Chordata : Mammalia : Apatemyidae : Apatemys50.3 - 46.2 Ma
Eocene
Apatemys bellulus
species
7Animalia : Chordata : Mammalia : Apatemyidae : Apatemys : Apatemys bellulus50.3 - 46.2 Ma
Eocene
Apatemys bellus
species
7Animalia : Chordata : Mammalia : Apatemyidae : Apatemys : Apatemys bellus50.3 - 46.2 Ma
Eocene
Entomolestes sp.
genus
6Animalia : Chordata : Mammalia : Erinaceomorpha : Erinaceidae : Entomolestes50.3 - 46.2 Ma
Eocene
Centetodon sp.
genus
6Animalia : Chordata : Mammalia : Geolabididae : Centetodon50.3 - 46.2 Ma
Eocene
Centetodon bembicophagus
species
7Animalia : Chordata : Mammalia : Geolabididae : Centetodon : Centetodon bembicophagus50.3 - 46.2 Ma
Eocene
Centetodon pulcher
species
7Animalia : Chordata : Mammalia : Geolabididae : Centetodon : Centetodon pulcher50.3 - 46.2 Ma
Eocene
Scenopagus sp.
genus
6Animalia : Chordata : Mammalia : Dormaaliidae : Scenopagus50.3 - 46.2 Ma
Eocene
Nyctitherium curtidens
species
7Animalia : Chordata : Mammalia : Dormaaliidae : Scenopagus : Nyctitherium curtidens50.3 - 46.2 Ma
Eocene
Diacodon edenensis
species
7Animalia : Chordata : Mammalia : Dormaaliidae : Scenopagus : Diacodon edenensis50.3 - 46.2 Ma
Eocene
Peratherium sp.
genus
6Animalia : Chordata : Mammalia : Marsupialia : Herpetotheriidae : Peratherium50.3 - 46.2 Ma
Eocene
Peratherium comstocki
species
7Animalia : Chordata : Mammalia : Marsupialia : Herpetotheriidae : Peratherium : Peratherium comstocki50.3 - 46.2 Ma
Eocene
Marsupialia
family
5Animalia : Chordata : Mammalia : Marsupialia50.3 - 46.2 Ma
Eocene
Apternodontidae
family
5Animalia : Chordata : Mammalia : Apternodontidae50.3 - 46.2 Ma
Eocene
Leptictidae
family
5Animalia : Chordata : Mammalia : Pilosa : Leptictidae50.3 - 46.2 Ma
Eocene
Metacheiromys dasypus
species
7Animalia : Chordata : Mammalia : Metacheiromyidae : Metacheiromys : Metacheiromys dasypus50.3 - 46.2 Ma
Eocene
Metacheiromys marshi
species
7Animalia : Chordata : Mammalia : Metacheiromyidae : Metacheiromys : Metacheiromys marshi50.3 - 46.2 Ma
Eocene
Talpavus nitidus
species
7Animalia : Chordata : Mammalia : Talpavus : Talpavus nitidus50.3 - 46.2 Ma
Eocene
Uintacyon jugulans
species
7Animalia : Chordata : Mammalia : Carnivora : Miacidae : Uintacyon : Uintacyon jugulans50.3 - 46.2 Ma
Eocene
Nyctitherium sp.
genus
6Animalia : Chordata : Mammalia : Soricomorpha : Nyctitheriidae : Nyctitherium50.3 - 46.2 Ma
Eocene
Pontifactor bestiola
species
7Animalia : Chordata : Mammalia : Soricomorpha : Nyctitheriidae : Pontifactor : Pontifactor bestiola50.3 - 46.2 Ma
Eocene
Peradectes sp.
genus
6Animalia : Chordata : Mammalia : Didelphimorphia : Didelphidae : Peradectes50.3 - 46.2 Ma
Eocene
Stylinodon mirus
species
7Animalia : Chordata : Mammalia : Stylinodontidae : Stylinodon : Stylinodon mirus50.3 - 46.2 Ma
Eocene
Viverravus gracilis
species
7Animalia : Chordata : Mammalia : Viverravidae : Viverravus : Viverravus gracilis50.3 - 46.2 Ma
Eocene
Mesatirhinus megarhinus
species
7Animalia : Chordata : Mammalia : Perissodactyla : Brontotheriidae : Mesatirhinus : Mesatirhinus megarhinus50.3 - 46.2 Ma
Eocene
Palaeosyops fontinalis
species
7Animalia : Chordata : Mammalia : Perissodactyla : Brontotheriidae : Palaeosyops : Palaeosyops fontinalis50.3 - 46.2 Ma
Eocene
Palaeosyops robustus
species
7Animalia : Chordata : Mammalia : Perissodactyla : Brontotheriidae : Palaeosyops : Palaeosyops robustus50.3 - 46.2 Ma
Eocene
Telmatherium validus
species
7Animalia : Chordata : Mammalia : Perissodactyla : Brontotheriidae : Telmatherium : Telmatherium validus50.3 - 46.2 Ma
Eocene
Orohippus sp.
genus
6Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Orohippus50.3 - 46.2 Ma
Eocene
Lophiotherium sylvaticum
species
7Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Orohippus : Lophiotherium sylvaticum50.3 - 46.2 Ma
Eocene
Hyrachyus sp.
genus
6Animalia : Chordata : Mammalia : Perissodactyla : Hyrachyidae : Hyrachyus50.3 - 46.2 Ma
Eocene
Hyrachyus eximius
species
7Animalia : Chordata : Mammalia : Perissodactyla : Hyracodontidae : Hyrachyus : Hyrachyus eximius50.3 - 46.2 Ma
Eocene
Hyrachyus modestus
species
7Animalia : Chordata : Mammalia : Perissodactyla : Hyrachyidae : Hyrachyus : Hyrachyus modestus50.3 - 46.2 Ma
Eocene
Desmatotherium intermedius
species
7Animalia : Chordata : Mammalia : Perissodactyla : Desmatotherium : Desmatotherium intermedius50.3 - 46.2 Ma
Eocene
Helaletes latidens
species
7Animalia : Chordata : Mammalia : Perissodactyla : Isectolophidae : Isectolophus : Helaletes latidens50.3 - 46.2 Ma
Eocene
Uintasorex sp.
genus
6Animalia : Chordata : Mammalia : Primates : Microsyopidae : Uintasorex50.3 - 46.2 Ma
Eocene
Uintasorex parvulus
species
7Animalia : Chordata : Mammalia : Primates : Microsyopidae : Uintasorex : Uintasorex parvulus50.3 - 46.2 Ma
Eocene
Notharctus sp.
genus
6Animalia : Chordata : Mammalia : Primates : Notharctidae : Notharctus50.3 - 46.2 Ma
Eocene
Notharctus robustior
species
7Animalia : Chordata : Mammalia : Primates : Notharctidae : Notharctus : Notharctus robustior50.3 - 46.2 Ma
Eocene
Ageitodendron matthewi
species
7Animalia : Chordata : Mammalia : Primates : Anaptomorphidae : Ageitodendron : Ageitodendron matthewi50.3 - 46.2 Ma
Eocene
Anaptomorphus aemulus
species
7Animalia : Chordata : Mammalia : Primates : Anaptomorphidae : Anaptomorphus : Anaptomorphus aemulus50.3 - 46.2 Ma
Eocene
Gazinius bowni
species
7Animalia : Chordata : Mammalia : Primates : Anaptomorphidae : Gazinius : Gazinius bowni50.3 - 46.2 Ma
Eocene
Hemiacodon sp.
genus
6Animalia : Chordata : Mammalia : Primates : Anaptomorphidae : Hemiacodon50.3 - 46.2 Ma
Eocene
Hemiacodon gracilis
species
7Animalia : Chordata : Mammalia : Primates : Anaptomorphidae : Hemiacodon : Hemiacodon gracilis50.3 - 46.2 Ma
Eocene
Omomys carteri
species
7Animalia : Chordata : Mammalia : Primates : Omomyidae : Omomys : Omomys carteri50.3 - 46.2 Ma
Eocene
Sphacorhysis burntforkensis
species
7Animalia : Chordata : Mammalia : Primates : Anaptomorphidae : Sphacorhysis : Sphacorhysis burntforkensis50.3 - 46.2 Ma
Eocene
Trogolemur myodes
species
7Animalia : Chordata : Mammalia : Primates : Anaptomorphidae : Trogolemur : Trogolemur myodes50.3 - 46.2 Ma
Eocene
Omomys ameghini
species
7Animalia : Chordata : Mammalia : Primates : Anaptomorphidae : Uintanius : Omomys ameghini50.3 - 46.2 Ma
Eocene
Washakius insignis
species
7Animalia : Chordata : Mammalia : Primates : Omomyidae : Washakius : Washakius insignis50.3 - 46.2 Ma
Eocene
Wyomomys bridgeri
species
7Animalia : Chordata : Mammalia : Primates : Anaptomorphidae : Wyomomys : Wyomomys bridgeri50.3 - 46.2 Ma
Eocene
Rodentia
order
4Animalia : Chordata : Mammalia : Rodentia50.3 - 46.2 Ma
Eocene
Ischyromyidae
family
5Animalia : Chordata : Mammalia : Rodentia : Ischyromyidae50.3 - 46.2 Ma
Eocene
Microparamys sp.
genus
6Animalia : Chordata : Mammalia : Rodentia : Ischyromyidae : Microparamys50.3 - 46.2 Ma
Eocene
Paramys sp.
genus
6Animalia : Chordata : Mammalia : Rodentia : Ischyromyidae : Paramys50.3 - 46.2 Ma
Eocene
Paramys delicatus
species
7Animalia : Chordata : Mammalia : Rodentia : Ischyromyidae : Paramys : Paramys delicatus50.3 - 46.2 Ma
Eocene
Thisbemys sp.
genus
6Animalia : Chordata : Mammalia : Rodentia : Ischyromyidae : Thisbemys50.3 - 46.2 Ma
Eocene
Thisbemys brevicrista
species
7Animalia : Chordata : Mammalia : Rodentia : Ischyromyidae : Thisbemys : Thisbemys brevicrista50.3 - 46.2 Ma
Eocene
Thisbemys corrugatus
species
7Animalia : Chordata : Mammalia : Rodentia : Ischyromyidae : Thisbemys : Thisbemys corrugatus50.3 - 46.2 Ma
Eocene
Pauromys sp.
genus
6Animalia : Chordata : Mammalia : Rodentia : Sciuravidae : Pauromys50.3 - 46.2 Ma
Eocene
Pauromys schaubi
species
7Animalia : Chordata : Mammalia : Rodentia : Sciuravidae : Pauromys : Pauromys schaubi50.3 - 46.2 Ma
Eocene
Sciuravidae
family
5Animalia : Chordata : Mammalia : Rodentia : Sciuravidae50.3 - 46.2 Ma
Eocene
Sciuravus sp.
genus
6Animalia : Chordata : Mammalia : Rodentia : Sciuravidae : Sciuravus50.3 - 46.2 Ma
Eocene
Anura
order
4Animalia : Chordata : Osteichthyes : Eobatrachus : Anura50.3 - 46.2 Ma
Eocene
Siren dunni
species
7Animalia : Chordata : Osteichthyes : Caudata : Sirenidae : Siren : Siren dunni50.3 - 46.2 Ma
Eocene
Amphibia
class
3Animalia : Chordata : Amphibia50.3 - 46.2 Ma
Eocene
Osteichthyes
unranked clade
99Animalia : Chordata : Osteichthyes50.3 - 46.2 Ma
Eocene
Allognathosuchus sp.
genus
6Animalia : Chordata : Reptilia : Crocodylia : Crocodylidae : Allognathosuchus50.3 - 46.2 Ma
Eocene
Crocodylus sp.
genus
6Animalia : Chordata : Reptilia : Crocodylia : Crocodylidae : Crocodylus50.3 - 46.2 Ma
Eocene
Crocodylia
order
4Animalia : Chordata : Reptilia : Crocodylia50.3 - 46.2 Ma
Eocene
Boverisuchus vorax
species
7Animalia : Chordata : Reptilia : Crocodylia : Planocraniidae : Boverisuchus : Boverisuchus vorax50.3 - 46.2 Ma
Eocene
Lacertilia
suborder
4.3Animalia : Chordata : Reptilia : Squamata : Lacertilia50.3 - 46.2 Ma
Eocene
Tinosaurus sp.
genus
6Animalia : Chordata : Reptilia : Squamata : Agamidae : Tinosaurus50.3 - 46.2 Ma
Eocene
Glyptosaurus sylvestris
species
7Animalia : Chordata : Reptilia : Squamata : Anguidae : Glyptosaurus : Glyptosaurus sylvestris50.3 - 46.2 Ma
Eocene
Paraglyptosaurus princeps
species
7Animalia : Chordata : Reptilia : Squamata : Anguidae : Paraglyptosaurus : Paraglyptosaurus princeps50.3 - 46.2 Ma
Eocene
Iguanidae
family
5Animalia : Chordata : Reptilia : Squamata : Iguanidae50.3 - 46.2 Ma
Eocene
Paraprionosaurus wyomingensis
species
7Animalia : Chordata : Reptilia : Squamata : Paraprionosaurus : Paraprionosaurus wyomingensis50.3 - 46.2 Ma
Eocene
Saniwa sp.
genus
6Animalia : Chordata : Reptilia : Squamata : Varanidae : Saniwa50.3 - 46.2 Ma
Eocene
Saniwa ensidens
species
7Animalia : Chordata : Reptilia : Squamata : Varanidae : Saniwa : Saniwa ensidens50.3 - 46.2 Ma
Eocene
Serpentes
unranked clade
99Animalia : Chordata : Reptilia : Squamata : Serpentes50.3 - 46.2 Ma
Eocene
Tinosaurus stenodon
species
7Animalia : Chordata : Reptilia : Squamata : Agamidae : Tinosaurus : Tinosaurus stenodon50.3 - 46.2 Ma
Eocene
Testudines
order
4Animalia : Chordata : Reptilia : Testudines50.3 - 46.2 Ma
Eocene
Chisternon undatum
species
7Animalia : Chordata : Reptilia : Testudines : Baenidae : Chisternon : Chisternon undatum50.3 - 46.2 Ma
Eocene
Anosteira ornata
species
7Animalia : Chordata : Reptilia : Testudines : Carettochelyidae : Anosteira : Anosteira ornata50.3 - 46.2 Ma
Eocene
Chrysemys wyomingensis
species
7Animalia : Chordata : Reptilia : Testudines : Emydidae : Emys : Chrysemys wyomingensis50.3 - 46.2 Ma
Eocene
Palaeotheca sp.
genus
6Animalia : Chordata : Reptilia : Testudines : Emydidae : Palaeotheca50.3 - 46.2 Ma
Eocene
Echmatemys sp.
genus
6Animalia : Chordata : Reptilia : Testudines : Geoemydidae : Echmatemys50.3 - 46.2 Ma
Eocene
Hadrianus corsoni
species
7Animalia : Chordata : Reptilia : Testudines : Testudinidae : Hadrianus : Hadrianus corsoni50.3 - 46.2 Ma
Eocene
Pantrionychidae
unranked clade
99Animalia : Chordata : Reptilia : Testudines : Pantrionychidae50.3 - 46.2 Ma
Eocene
Trionychidae
family
5Animalia : Chordata : Reptilia : Testudines : Trionychidae50.3 - 46.2 Ma
Eocene
Trionyx mira
species
7Animalia : Chordata : Reptilia : Testudines : Trionychidae : Trionyx : Trionyx mira50.3 - 46.2 Ma
Eocene
Stagnicola sp.
genus
6Animalia : Mollusca : Gastropoda : Lymnaeidae : Stagnicola50.3 - 46.2 Ma
Eocene
Physa sp.
genus
6Animalia : Mollusca : Gastropoda : Physidae : Physa50.3 - 46.2 Ma
Eocene
Biomphalaria sp.
genus
6Animalia : Mollusca : Gastropoda : Planorbidae : Biomphalaria50.3 - 46.2 Ma
Eocene
Oreoconus sp.
genus
6Animalia : Mollusca : Gastropoda : Stylommatophora : Bulimulidae : Oreoconus50.3 - 46.2 Ma
Eocene
Gastrocopta sp.
genus
6Animalia : Mollusca : Gastropoda : Stylommatophora : Gastrocoptidae : Gastrocopta50.3 - 46.2 Ma
Eocene
Chara sp.
genus
6Plantae : Charophyta : Charophyceae : Charales : Characeae : Chara50.3 - 46.2 Ma
Eocene

References

Marsh O. C. Preliminary description of new Tertiary reptiles. Part I and Part II, The American Journal of Science, series 3 4 22, 298-309
Leidy J. Part I. Contributions to the extinct vertebrate fauna of the western territories, Report of the United States Geological Survey of the Territories 1, 1-358
Osborn H. F., Scott W. B., et al Palaeontological Report of the Princeton Scientific Expedition of 1877, Contributions from the Museum of Geology and Archæology of Princeton College 1, 1-146
Marsh O. C. A communication on some new reptiles and fishes from the Cretaceous and Tertiary formations, Proceedings of the Academy of Natural Sciences of Philadelphia 1871, 103-105
Hay O. P. (1908) The fossil turtles of North America, Carnegie Institution of Washington Publication 75, 1-568
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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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