Conodonts in Central Nevada, Monitor Range Section: Maysvillian - Richmondian, Nevada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Conodonta
- Protopanderodontida
- Cornuodontidae
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Cornuodus sp.
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Conodonta
- Protopanderodontida
- Drepanoistodontidae
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Drepanoistodus sp. n. sp.
Lindstrom 1971
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Drepanoistodus suberectus
(Branson and Mehl 1933)
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? Paroistodus sp.
Lindström 1971
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Conodonta
- Protopanderodontida
- Protopanderodontidae
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Protopanderodus insculptus
(Branson and Mehl 1933)
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Conodonta
- Ozarkodinida
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Plectodina tenuis
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Ozarkodina hassi
(Pollock et al. 1970)
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Ozarkodina ? oldhamensis
(Rexroad 1967)
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Gamachignathus ensifer
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Conodonta
- Prioniodontida
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Pseudooneotodus mitratus
(Moskalenko 1973)
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Conodonta
- Prioniodontida
- Distomodontidae
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Distomodus spp.
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Conodonta
- Prioniodontida
- Strachanognathidae
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Strachanognathus parvus
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Scabbardella altipes
(Hennigsmoen 1948)
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Decoriconus fragilis
(Branson and Mehl 1933)
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Conodonta
- Prioniodontida
- Balognathidae
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Amorphognathus ordovicicus
Bergström and Bergström 1996
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Conodonta
- Prioniodontida
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Oulodus rohneri
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Oulodus ulrichi
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Conodonta
- Panderodontida
- Panderodontidae
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Panderodus unicostatus
(Branson and Mehl 1933)
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| original and current combination Paltodus unicostatus | |||||||
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Pseudobelodina inclinata
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Pseudobelodina vulgaris
Sweet 1979
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Conodonta
- Belodellida
- Ansellidae
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Hamarodus europaeus
(Serpagli 1967)
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Conodonta
- Belodellida
- Belodellidae
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Walliserodus curvatus
(Branson and Branson 1947)
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Walliserodus amplissimus
Serpagli 1967
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Conodonta
- Belodellida
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Besselodus sp.
Aldridge 1982
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| see common names | |||||||
Geography
| Country: | United States | State/province: | Nevada |
| Coordinates: | 39.2° North, 116.4° West (view map) | ||
| Paleocoordinates: | 6.7° South, 74.8° West | ||
| Geographic resolution: | outcrop |
Time
| Period: | Ordovician | Epoch: | Late/Upper Ordovician |
| Stage: | Katian | 10 m.y. bin: | Ordovician 5 |
| *Period: | Late/Upper Ordovician | *Local age/stage: | Maysvillian - Richmondian |
| Key time interval: | Maysvillian - Richmondian | ||
| Age range of interval: | 450.40000 - 446.00000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Hanson Creek |
| Local section: | Monitor Range |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | gray lime mudstone |
| Includes fossils? | Y |
| Lithology description: From bottom to top: gray to brownish gray thin- and thick-bedded lime mudstone; thick-bedded, burrow-mottled, largely unfossiliferous dolomite carbonates; iron-stained quartz sandstone; dark-gray wackestones; cherty lime mudstone; capped by phosphorite. | |
Taphonomy
| Size of fossils: | microfossils |
Collection methods and comments
| Collection excludes: | all macrofossils,some microfossils |
| Collection methods: | chemical,field collection |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 10667 | ||
| Authorizer: | S. Holland | Enterer: | T. Hanson | Research group: | marine invertebrate |
| Created: | 2001-06-08 21:04:50 | Last modified: | 2001-08-30 17:52:51 |
| Access level: | the public | Released: | 2001-06-08 21:04:50 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 3944. | W. C. Sweet. 2000. Conodonts and Biostratigraphy of Upper Ordivician Strata Along a Shelf to Basin Transect in Central Nevada. Journal of Paleontology 74(6):1148-1160 [S. Holland/T. Hanson] |