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Talkeetna, Alaska, USA

Formation	Talkeetna
Age:	183 - 174 Ma Jurassic
Interval	Sinemurian - Toarcian
Lithology	sandstone, "siliciclastic", siltstone
Number of Collections	30
Number of Occurrences	52

Recorded Sample Locations

Location	Region	Stratigraphic Name
TalkeetnaFarm Peninsular Terrane	Yukon-Koyukuk Census Area, Alaska, USA	Talkeetna
USGS Mesozoic loc. 29198 - Southern Alaska	Matanuska-Susitna Borough, Alaska, USA	Talkeetna
USGS Mesozoic loc. 24787 - Southern Alaska	Matanuska-Susitna Borough, Alaska, USA	Talkeetna
USGS Mesozoic loc. 25939 - Southern Alaska	Valdez-Cordova Census Area, Alaska, USA	Talkeetna
Puale Bay ammonoids	Kodiak Island Borough, Alaska, USA	Talkeetna
Puale Bay ammonoids	Kodiak Island Borough, Alaska, USA	Talkeetna
Puale Bay ammonoids	Kodiak Island Borough, Alaska, USA	Talkeetna
Puale Bay ammonoids	Kodiak Island Borough, Alaska, USA	Talkeetna
Puale Bay ammonoids	Kodiak Island Borough, Alaska, USA	Talkeetna
Puale Bay ammonoids	Kodiak Island Borough, Alaska, USA	Talkeetna
Puale Bay ammonoids	Kodiak Island Borough, Alaska, USA	Talkeetna
Puale Bay ammonoids	Kodiak Island Borough, Alaska, USA	Talkeetna
Puale Bay ammonoids	Kodiak Island Borough, Alaska, USA	Talkeetna
Puale Bay ammonoids	Kodiak Island Borough, Alaska, USA	Talkeetna
Hicks Creek section	Matanuska-Susitna Borough, Alaska, USA	Talkeetna
Camp Creek section	Matanuska-Susitna Borough, Alaska, USA	Talkeetna

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Callospiriferina tumida species	7	Animalia : Brachiopoda : Rhynchonellata : Spiriferinida : Pennospiriferinidae : Callospiriferina : *Callospiriferina tumida*	199.3 - 174.1 Ma Jurassic
Cardinia sp. genus	6	Animalia : Mollusca : Bivalvia : Carditida : Cardiniidae : *Cardinia*	199.3 - 174.1 Ma Jurassic
Ostrea sp. genus	6	Animalia : Mollusca : Bivalvia : Ostreida : Ostreidae : *Ostrea*	199.3 - 174.1 Ma Jurassic
Weyla (Lywea) unca species	7	Animalia : Mollusca : Bivalvia : Pectinida : Neitheidae : Weyla : *Weyla (Lywea) unca*	199.3 - 174.1 Ma Jurassic
Trigonia sp. genus	6	Animalia : Mollusca : Bivalvia : Trigoniida : Trigoniidae : *Trigonia*	199.3 - 174.1 Ma Jurassic
Amaltheus sp. genus	6	Animalia : Mollusca : Cephalopoda : Ammonoidea : Amaltheidae : *Amaltheus*	185.7 - 184.1 Ma Early Jurassic
Arnioceras sp. genus	6	Animalia : Mollusca : Cephalopoda : Ammonoidea : Arietitidae : *Arnioceras*	196.5 - 189.6 Ma Early Jurassic
Arnioceras arnouldi species	7	Animalia : Mollusca : Cephalopoda : Ammonitida : Arietitidae : Arnioceras : *Arnioceras arnouldi*	196.5 - 189.6 Ma Early Jurassic
Paracaloceras rursicostatum species	7	Animalia : Mollusca : Cephalopoda : Ammonitida : Arietitidae : Vermiceras : *Paracaloceras rursicostatum*	201.3 - 196.5 Ma Early Jurassic
Vermiceras (Paracaloceras) sp. subgenus	6.3	Animalia : Mollusca : Cephalopoda : Ammonitida : Arietitidae : Vermiceras : *Vermiceras (Paracaloceras)*	201.3 - 196.5 Ma Early Jurassic
Dactylioceras commune species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Dactylioceratidae : Dactylioceras : *Dactylioceras commune*	183 - 175.6 Ma Early Jurassic
Dactylioceras kanense species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Dactylioceratidae : Dactylioceras : *Dactylioceras kanense*	183 - 175.6 Ma Early Jurassic
Fanninoceras (Charlotticeras) maudense species	7	Animalia : Mollusca : Cephalopoda : Ammonitida : Eoderoceratidae : Fanninoceras : *Fanninoceras (Charlotticeras) maudense*	185.7 - 184.1 Ma Early Jurassic
Fanninoceras (Fanninoceras) carlottense species	7	Animalia : Mollusca : Cephalopoda : Ammonitida : Eoderoceratidae : Fanninoceras : *Fanninoceras (Fanninoceras) carlottense*	189.6 - 183 Ma Early Jurassic
Fanninoceras (Fanninoceras) fannini species	7	Animalia : Mollusca : Cephalopoda : Ammonitida : Eoderoceratidae : Fanninoceras : *Fanninoceras (Fanninoceras) fannini*	189.6 - 183 Ma Early Jurassic
Arieticeras domarense species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Hildoceratidae : Arieticeras : *Arieticeras domarense*	185.7 - 184.1 Ma Early Jurassic
Eleganticeras exaratum species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Hildoceratidae : Eleganticeras : *Eleganticeras exaratum*	183 - 175.6 Ma Early Jurassic
Hildaites sp. genus	6	Animalia : Mollusca : Cephalopoda : Ammonitida : Hildoceratidae : *Hildaites*	189.6 - 182 Ma Early Jurassic
Leptaleoceras sp. genus	6	Animalia : Mollusca : Cephalopoda : Ammonoidea : Hildoceratidae : *Leptaleoceras*	185.7 - 184.1 Ma Early Jurassic
Lioceratoides (Lioceratoides) involutum species	7	Animalia : Mollusca : Cephalopoda : Ammonitida : Hildoceratidae : Lioceratoides : *Lioceratoides (Lioceratoides) involutum*	189.6 - 183 Ma Early Jurassic
Eolytoceras tasekoi species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Lytoceratidae : Eolytoceras : *Eolytoceras tasekoi*	201.3 - 196.5 Ma Early Jurassic
Lytoceras sp. genus	6	Animalia : Mollusca : Cephalopoda : Ammonitida : Lytoceratidae : *Lytoceras*	189.6 - 183 Ma Early Jurassic
Badouxia sp. genus	6	Animalia : Mollusca : Cephalopoda : Ammonoidea : Psiloceratidae : *Badouxia*	201.3 - 196.5 Ma Early Jurassic
Badouxia canadensis species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Psiloceratidae : Badouxia : *Badouxia canadensis*	201.3 - 196.5 Ma Early Jurassic
Badouxia columbiae species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Psiloceratidae : Badouxia : *Badouxia columbiae*	196.5 - 189.6 Ma Early Jurassic
Sunrisites sp. genus	6	Animalia : Mollusca : Cephalopoda : Ammonoidea : Psiloceratidae : *Sunrisites*	201.3 - 196.5 Ma Early Jurassic
Schlotheimiidae family	5	Animalia : Mollusca : Cephalopoda : Ammonoidea : Schlotheimiidae	196.5 - 189.6 Ma Early Jurassic

References

Jakobs G. K. (1997) Toarcian (Early Jurassic) ammonoids from western North America, Geological Survey of Canada, Bulletin 428, 137pp.

Pálfy J., Smith P. L., et al (1999) Integrated ammonite biochronology and U-Pb geochronometry from a basal Jurassic section in Alaska, Geological Society America Bulletin 111 10, 1537-1549

Sandy M. R., Blodgett R. B. (2000) Early Jurassic spiriferid brachiopods from Alaska and their paleogeographic significance, PaleoBios 33 3, 319-328

Longridge L. M., Smith P. L., et al (2006) The Early Jurassic ammonite Badouxia from British Columbia, Canada, Palaeontology 49, 795-816

Caruthers A. H., Smith P. L. (2012) Pliensbachian ammonoids from the Talkeetna Mountains (Peninsular Terrane) of Southern Alaska, Revue de Paléobiologie, Genève, vol. spéc 11, 365-378

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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