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Laketown Dolomite - Portage Canyon, White Pine County, Nevada, USA

FormationLaketown Dolomite
MemberPortage Canyon
Age:439 - 427 Ma
Silurian
IntervalTelychian
Lithologydolomite
Number of Collections8
Number of Occurrences18

Recorded Sample Locations

LocationRegionStratigraphic Name
Tony Grove Lake MemberWhite Pine County, Nevada, USALaketown Dolomite - Portage Canyon

Associated Units

Stratigraphic NameAgeLithologyOccurrence Records
Laketown Dolomite - Gettel Lake441 - 427 Ma
Silurian
dolomite10
Laketown Dolomite - High Lake441 - 439 Ma
Silurian
dolomite50
Laketown Dolomite - Jack Valley439 - 427 Ma
Silurian
dolomite50
Laketown Dolomite - Tony Grove Lake443 - 441 Ma
Silurian
dolomite19
Lone Mountain Dolomite439 - 427 Ma
Silurian
dolomite1

Recorded Fossils

Accepted NameHierarchyAge
Atrypa sp.
genus
6Animalia : Brachiopoda : Rhynchonellata : Atrypida : Atrypidae : Atrypa438.5 - 433.4 Ma
Silurian
Orthida
order
4Animalia : Brachiopoda : Rhynchonellata : Orthida438.5 - 427.4 Ma
Silurian
Isorthis sp.
genus
6Animalia : Brachiopoda : Rhynchonellata : Orthida : Dalmanellidae : Isorthis438.5 - 427.4 Ma
Silurian
Dolerorthis sp.
genus
6Animalia : Brachiopoda : Rhynchonellata : Orthida : Hesperorthidae : Dolerorthis438.5 - 433.4 Ma
Silurian
Dolerorthis flabellites
species
7Animalia : Brachiopoda : Rhynchonellata : Orthida : Hesperorthidae : Dolerorthis : Dolerorthis flabellites438.5 - 433.4 Ma
Silurian
Pentamerida
order
4Animalia : Brachiopoda : Rhynchonellata : Pentamerida438.5 - 427.4 Ma
Silurian
Pentameroides sp.
genus
6Animalia : Brachiopoda : Rhynchonellata : Pentamerida : Pentameridae : Pentameroides438.5 - 433.4 Ma
Silurian
Microcardinalia sp.
genus
6Animalia : Brachiopoda : Rhynchonellata : Pentamerida : Stricklandiidae : Microcardinalia438.5 - 427.4 Ma
Silurian
Cyrtia sp.
genus
6Animalia : Brachiopoda : Rhynchonellata : Spiriferinida : Syringothyrididae : Cyrtia438.5 - 433.4 Ma
Silurian
Howellella sp.
genus
6Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Delthyrididae : Howellella438.5 - 427.4 Ma
Silurian

References

Sheehan P. M. (1982) Late Ordovician and Silurian of the eastern Great Basin Part 4. Late Llandovery and Wenlock brachiopods, Milwaukee Public Museum Contributions in Biology and Geology 50, 1-73
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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