Locality 89MR-1, U. Antelope Valley Fm., Martin Ridge: Whiterockian, Nevada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Murchisoniina
- Eotomariidae
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Clathrospira glindmeyeri
Rohr 1996
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| recombined as Semizona glindmeyeri | |||||||
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Gastropoda
- Murchisoniina
- Lophospiridae
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Lophospira perangulata
(Hall 1847)
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Gastropoda
- Euomphalina
- Raphistomatidae
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Raphistomina lapicida
(Salter 1859)
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= Ceratopea aff. lemonei
Flower 1968
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Wagner 2023 | ||||||
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Gastropoda
- Euomphalina
- Lesueurillidae
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Helicotoma sp.
Salter 1859
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Rohr 1994 | ||||||
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= Lesueurilla sp.
Koken 1898
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Wagner 2023 | ||||||
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Gastropoda
- Euomphalina
- Helicotomidae
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Trochonemella antelopensis
Rohr 1996
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| recombined as Boucotspira antelopensis | |||||||
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Gastropoda
- Euomphalina
- Macluritidae
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cf. Maclurites magnus
(Le Sueur 1818)
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Palliseria robusta
Wilson 1924
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Rohr 1994 | ||||||
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Rousseauspira teicherti
Rohr and Potter 1987
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Rohr 1994 | ||||||
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Gastropoda
- Euomphalina
- Ophiletidae
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Barnesella measuresae
Rohr 1994
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Rohr 1994 | ||||||
| recombined as Asgardaspira measuresae | |||||||
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Malayaspira hintzei
Rohr 1994
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Rohr 1994 | ||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Nevada | County: | Eureka |
| Coordinates: | 39.2° North, 116.4° West (view map) | ||||
| Paleocoordinates: | 5.9° South, 80.1° West | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Ordovician | ||
| 10 m.y. bin: | Ordovician 2-4 | ||
| *Period: | Middle Ordovician | *Epoch: | Early/Lower Llanvirn - Middle Llanvirn |
| *International age/stage: | Early/Lower Llanvirn - Middle Llanvirn | *Local age/stage: | Early/Lower Whiterockian - Middle Whiterockian |
| Key time interval: | Whiterockian | Conodont zone: | Histiodella sinuosa - Histiodella holodentata |
| Age range of interval: | 470.00000 - 457.00000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Geological group: | Pogonip | Formation: | Antelope Valley | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Anomalorthis Zone, Kanoshian, middle Whiterockian; third resistant limestone ledge above the saddle | |||||
Lithology and environment
| Primary lithology: | dolomitic,peloidal lime mudstone |
| Secondary lithology: | dolomitic,peloidal wackestone |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Environment: | lagoonal/restricted shallow subtidal |
Taphonomy
| Modes of preservation: | replaced with silica |
| Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
| Collection excludes: | all microfossils,some macrofossils |
| Collection methods: | selective quarrying,field collection |
| Reason for describing collection: | taxonomic analysis |
| Taxonomic list comments:Gastropods | |
Metadata
| Database number: | 14238 | ||
| Authorizer: | A. Miller, P. Wagner | Enterer: | R. Krause, P. Wagner |
| Modifier: | J. Marcot | Research group: | marine invertebrate |
| Created: | 2002-05-28 12:56:25 | Last modified: | 2023-09-05 14:19:35 |
| Access level: | the public | Released: | 2002-05-28 12:56:25 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 6152. | D. M. Rohr. 1996. Ordovician (Whiterockian) gastropods of Nevada, Part 2. Journal of Paleontology 70(1):56-63 [A. Miller/R. Krause/P. Wagner] |
Secondary references:
| 11495 | D. M. Rohr. 1994. Ordovician (Whiterockian) gastropods of Nevada: Bellerophontoidea, Macluritoidea, Euomphaloidea. Journal of Paleontology 68(3):473-486 [P. Wagner/P. Wagner/P. Wagner] | |
| 9042 | P. J. Wagner. 2023. Paleozoic Gastropod, Rostroconch, Helcionelloid and Tergomyan Database (2006 - 2023). [P. Wagner/P. Wagner/P. Wagner] |