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Eureka Sound, Canada

Formation	Eureka Sound
Member(s)	4 Cyclic
Age:	72.1 - 66.0 Ma Late/Upper Cretaceous
Interval	Campanian - Maastrichtian
Number of Collections	4
Number of Occurrences	51

Recorded Sample Locations

Location	Region	Stratigraphic Name
Ellesmere Island	Ellesmere Island, Qikiqtaaluk Region, Nunavut, Canada	Eureka Sound - 4
C-27327	Ellef Ringnes Island, Qikiqtaaluk Region, Nunavut, Canada	Eureka Sound
C-27290	Ellef Ringnes Island, Qikiqtaaluk Region, Nunavut, Canada	Eureka Sound
CMN Loc. BKS04-16	Northwest Territories, Canada	Eureka Sound - Cyclic
CMN Loc. BKS04-19	Northwest Territories, Canada	Eureka Sound - Cyclic
CMN Loc. BKS04-1	Northwest Territories, Canada	Eureka Sound - Cyclic
CMN non-specific Banks Island localities near Eames and Muskox Rivers	Northwest Territories, Canada	Eureka Sound - Cyclic
CMN Loc. BKS04-12	Northwest Territories, Canada	Eureka Sound - Cyclic
CMN Loc. BKS04-13	Northwest Territories, Canada	Eureka Sound - Cyclic
CMN Loc. BKS04-15	Northwest Territories, Canada	Eureka Sound - Cyclic

Associated Units

Stratigraphic Name	Age	Lithology	Occurrence Records
Eureka Sound - 4	55.8 - 46.2 Ma Eocene		5
Eureka Sound - Cyclic	55.8 - 37.2 Ma Eocene	sandstone	21
Eureka Sound - Margaret	55.8 - 48.6 Ma Eocene		41

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Bacutriletes sp. genus	6	Plantae : *Bacutriletes*	72.1 - 66 Ma Late/Upper Cretaceous
Erlansonisporites sp. genus	6	Plantae : Lycophyta : *Erlansonisporites*	72.1 - 66 Ma Late/Upper Cretaceous
Spermatites sp. genus	6	*Spermatites*	72.1 - 66 Ma Late/Upper Cretaceous
Striatriletes sp. genus	6	*Striatriletes*	72.1 - 66 Ma Late/Upper Cretaceous
Tenellisporites sp. genus	6	*Tenellisporites*	83.6 - 66 Ma Late/Upper Cretaceous
Amiidae family	5	Animalia : Chordata : Actinopterygii : Amiiformes : Amiidae	55.8 - 37.2 Ma Eocene
Esocidae family	5	Animalia : Chordata : Actinopterygii : Esociformes : Esocidae	55.8 - 37.2 Ma Eocene
Atractosteus sp. genus	6	Animalia : Chordata : Actinopterygii : Lepisosteiformes : Lepisosteidae : *Atractosteus*	55.8 - 37.2 Ma Eocene
Chondrichthyes class	3	Animalia : Chordata : Chondrichthyes	55.8 - 37.2 Ma Eocene
Physogaleus sp. genus	6	Animalia : Chordata : Elasmobranchii : Carcharhiniformes : Carcharhinidae : *Physogaleus*	55.8 - 37.2 Ma Eocene
Physogaleus secundus species	7	Animalia : Chordata : Chondrichthyes : Carchariniformes : Carcharhinidae : Physogaleus : *Physogaleus secundus*	55.8 - 37.2 Ma Eocene
Carcharias sp. genus	6	Animalia : Chordata : Elasmobranchii : Lamniformes : Odontaspididae : *Carcharias*	55.8 - 37.2 Ma Eocene
Odontaspis winkleri species	7	Animalia : Chordata : Elasmobranchii : Lamniformes : Odontaspididae : Odontaspis : *Odontaspis winkleri*	55.8 - 37.2 Ma Eocene
Striatolamia macrota species	7	Animalia : Chordata : Chondrichthyes : Lamniformes : Mitsukurinidae : Striatolamia : *Striatolamia macrota*	55.8 - 37.2 Ma Eocene
Myliobatis sp. genus	6	Animalia : Chordata : Elasmobranchii : Myliobatiformes : Myliobatidae : *Myliobatis*	55.8 - 37.2 Ma Eocene
Leptictidae family	5	Animalia : Chordata : Mammalia : Pilosa : Leptictidae	55.8 - 46.2 Ma Eocene
Brontotheriidae family	5	Animalia : Chordata : Mammalia : Perissodactyla : Brontotheriidae	55.8 - 46.2 Ma Eocene
Ischyromyidae family	5	Animalia : Chordata : Mammalia : Rodentia : Ischyromyidae	55.8 - 46.2 Ma Eocene
Eusuchia suborder	4.3	Animalia : Chordata : Reptilia : Eosuchia : Pristichampsus : Eusuchia	55.8 - 37.2 Ma Eocene
Glyptosaurinae subfamily	5.3	Animalia : Chordata : Reptilia : Squamata : Anguidae : Glyptosaurinae	55.8 - 46.2 Ma Eocene
Anosteirinae subfamily	5.3	Animalia : Chordata : Reptilia : Testudines : Carettochelyidae : Anosteirinae	55.8 - 46.2 Ma Eocene
Minerisporites sp. genus	6	Plantae : Tracheophyta : Lycopodiopsida : Isoetales : *Minerisporites*	83.6 - 66 Ma Late/Upper Cretaceous
Triletes sp. genus	6	Plantae : Pteridophyta : Pteridopsida : *Triletes*	72.1 - 66 Ma Late/Upper Cretaceous
Azollopsis sp. genus	6	Plantae : Tracheophyta : Polypodiopsida : Salviniales : Azollaceae : *Azollopsis*	72.1 - 66 Ma Late/Upper Cretaceous
Ariadnaesporites sp. genus	6	Plantae : Tracheophyta : Polypodiopsida : Salviniales : Salviniaceae : *Ariadnaesporites*	72.1 - 66 Ma Late/Upper Cretaceous

References

West R. M., Dawson M. R., et al (1977) Fossils from the Paleogene Eureka Sound Formation, N.W.T., Canada; occurrence, climatic and paleogeographic implications, In West, R. M. (ed), Paleontology and plate tectonics with special reference to the history of the Atlantic Ocean. Milwaukee Public Museum Contributions in Biology and Geology 2, 77-93

Sweet A. R. (1979) Jurassic and Cretaceous Megaspores, AASP Contributions Series Number 5B: Contributions of Stratigrphic Palynology (with emphasis on North America): Mesozoic Palynology 2 5B, 1-30

Estes R., Hutchison J. H. (1980) Eocene lower vertebrates from Ellesmere Island, Canadian Arctic Archipelago, Palaeogeography, Palaeoclimatology, Palaeoecology 30, 325-347

Alroy J. (2002) Synonymies and reidentifications of North American fossil mammals

Padilla A., Eberle J. J., et al (2014) A Sand Tiger Shark-Dominated Fauna from the Eocene Arctic Greenhouse\r\n, Journal of Vertebrate Paleontology 34 6, 1307-1316 doi:10.1080/02724634.2014.880446

Eberle J. J., Gottfried M. D., et al (2014) First Record of Eocene Bony Fishes and Crocodyliforms from Canada’s Western Arctic, PLoS One 9 5, e96079 doi:10.1371/journal.pone.0096079

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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