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Franconia - Mill Street Conglomerate, Chisago County, Minnesota, USA

FormationFranconia
MemberMill Street Conglomerate
Age:501 - 485 Ma
Cambrian
IntervalSteptoean
Lithologysandstone
Number of Collections1
Number of Occurrences20

Recorded Sample Locations

LocationRegionStratigraphic Name
1 kilometer south of Taylors FallsChisago County, Minnesota, USAFranconia - Mill Street Conglomerate

Recorded Fossils

Accepted NameHierarchyAge
Camaraspis sp.
genus
6Pterocephalidae : Camaraspis501 - 485.4 Ma
Cambrian
Camaraspis berkeyi
species
7Pterocephalidae : Camaraspis : Camaraspis berkeyi501 - 485.4 Ma
Cambrian
Cheilocephalus sp.
genus
6Animalia : Arthropoda : Trilobita : Corynexochida : Cheilocephalidae : Cheilocephalus501 - 485.4 Ma
Cambrian
Berkeia typica
species
7Animalia : Arthropoda : Trilobita : Asaphida : Dikelocephalidae : Berkeia : Berkeia typica501 - 485.4 Ma
Cambrian
Dicellomus politus
species
7Animalia : Brachiopoda : Lingulata : Lingulida : Obolidae : Dicellomus : Dicellomus politus501 - 485.4 Ma
Cambrian
Lingulella ampla
species
7Animalia : Brachiopoda : Lingulata : Lingulida : Obolidae : Lingulella : Lingulella ampla501 - 485.4 Ma
Cambrian
Lingulepis acuminata
species
7Animalia : Brachiopoda : Lingulata : Lingulida : Obolidae : Lingulepis : Lingulepis acuminata501 - 485.4 Ma
Cambrian
Lingulepis pinnaformis
species
7Animalia : Brachiopoda : Lingulata : Lingulida : Obolidae : Lingulepis : Lingulepis pinnaformis501 - 485.4 Ma
Cambrian
Strepsodiscus franconiensis
species
7Animalia : Mollusca : Gastropoda : Bellerophontida : Tropidodiscidae : Strepsodiscus : Strepsodiscus franconiensis501 - 485.4 Ma
Cambrian
Strepsodiscus strongi
species
7Animalia : Mollusca : Gastropoda : Bellerophontida : Tropidodiscidae : Strepsodiscus : Strepsodiscus strongi501 - 485.4 Ma
Cambrian
Scaevogyra swezeyi
species
7Animalia : Mollusca : Paragastropoda : Mimospirida : Onychochilidae : Scaevogyra : Scaevogyra swezeyi501 - 485.4 Ma
Cambrian
Hypseloconus cornutiformis
species
7Animalia : Mollusca : Tergomya : Hypseloconida : Hypseloconus : Hypseloconus cornutiformis501 - 485.4 Ma
Cambrian
Hypseloconus elongatus
species
7Animalia : Mollusca : Tergomya : Hypseloconida : Hypseloconus : Hypseloconus elongatus501 - 485.4 Ma
Cambrian
Proteroconus capuloides
species
7Animalia : Mollusca : Tergomya : Kiringellida : Hypseloconidae : Proteroconus : Proteroconus capuloides501 - 485.4 Ma
Cambrian
Kirengella rectilateralis
species
7Animalia : Mollusca : Tergomya : Tryblidiida : Kirengellidae : Kirengella : Kirengella rectilateralis501 - 485.4 Ma
Cambrian
Kirengella stabilis
species
7Animalia : Mollusca : Tergomya : Tryblidiida : Kirengellidae : Kirengella : Kirengella stabilis501 - 485.4 Ma
Cambrian
Proplina convexum
species
7Animalia : Mollusca : Tergomya : Tryblidiida : Tryblidiidae : Proplina : Proplina convexum501 - 485.4 Ma
Cambrian
Proplina cornutaformis
species
7Animalia : Mollusca : Tergomya : Tryblidiida : Tryblidiidae : Proplina : Proplina cornutaformis501 - 485.4 Ma
Cambrian
Proplina corpulentum
species
7Animalia : Mollusca : Tergomya : Tryblidiida : Tryblidiidae : Proplina : Proplina corpulentum501 - 485.4 Ma
Cambrian
Proplina extensum
species
7Animalia : Mollusca : Tergomya : Tryblidiida : Tryblidiidae : Proplina : Proplina extensum501 - 485.4 Ma
Cambrian

References

Berkey C.P. Geology of the St. Croix Dalles, part 3. Paleontology, American Geologist 21, 270-294
Walcott C. D. (1912) Cambrian Brachiopoda, United States Geological Survey Monograph 51 1-2
Resser C. E. (1937) Third contribution to nomenclature of Cambrian trilobites, Smithsonian Miscellaneous Collections 95 22, 1-29
Yochelson E. L., Webers G. F. (2006) A restudy of the Late Cambrian molluscan fauna of Berkey (1898) from Taylors Falls, Minnesota, Minnesota Geological Survey Report of Investigations 64, 1-60
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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