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Laketown Dolomite - Tony Grove Lake, White Pine County, Nevada, USA

Formation	Laketown Dolomite
Member	Tony Grove Lake
Age:	443 - 441 Ma Silurian
Interval	Rhuddanian
Lithology	dolomite
Number of Collections	8
Number of Occurrences	19

Recorded Sample Locations

Location	Region	Stratigraphic Name
Tony Grove Lake Member	White Pine County, Nevada, USA	Laketown Dolomite - Tony Grove Lake

Associated Units

Stratigraphic Name	Age	Lithology	Occurrence Records
Laketown Dolomite - Gettel Lake	441 - 427 Ma Silurian	dolomite	10
Laketown Dolomite - High Lake	441 - 439 Ma Silurian	dolomite	50
Laketown Dolomite - Jack Valley	439 - 427 Ma Silurian	dolomite	50
Laketown Dolomite - Portage Canyon	439 - 427 Ma Silurian	dolomite	18
Lone Mountain Dolomite	439 - 427 Ma Silurian	dolomite	1

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Hyattidina sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Athyridida : Meristellidae : *Hyattidina*	443.4 - 440.8 Ma Silurian
Atrypida order	4	Animalia : Brachiopoda : Rhynchonellata : Atrypida	443.4 - 440.8 Ma Silurian
Plectatrypa sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Atrypida : Atrypidae : *Plectatrypa*	443.4 - 440.8 Ma Silurian
Dolerorthis flabellites species	7	Animalia : Brachiopoda : Rhynchonellata : Orthida : Hesperorthidae : Dolerorthis : *Dolerorthis flabellites*	443.4 - 440.8 Ma Silurian
Platystrophia sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Orthida : Platystrophiidae : *Platystrophia*	443.4 - 440.8 Ma Silurian
Pentamerus sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Pentamerida : Pentameridae : *Pentamerus*	443.4 - 440.8 Ma Silurian
Virgiana utahensis species	7	Animalia : Brachiopoda : Rhynchonellata : Pentamerida : Virgianidae : Virgiana : *Virgiana utahensis*	443.4 - 440.8 Ma Silurian
Rhynchonellida order	4	Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida	443.4 - 440.8 Ma Silurian
Strophoprion geniculatum species	7	Animalia : Brachiopoda : Strophomenata : Strophomenida : Strophonellidae : Strophonella : *Strophoprion geniculatum*	443.4 - 440.8 Ma Silurian

References

Sheehan P. M. (1980) The Late Ordovician and Silurian of the Eastern Great Basin, Part 3. Brachiopods of the Tony Grove Lake Member of the Laketown Dolomite, Milwaukee Public Museum Contributions in Biology and Geology 30, 1-23

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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