Antelope Range, Ninemile Fm., zone g: Tulean, Nevada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Trilobita
- Phacopida
- Pliomeridae
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? Pseudocybele sp.
Ross 1951
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| originally entered as "? Pseudocybele sp." | ||||||||||
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Trilobita
- Proetida
- Telephinidae
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? Goniophrys sp.
Ross 1951
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| originally entered as "? Goniophrys sp." | ||||||||||
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Trilobita
- Asaphida
- Asaphidae
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? Hunnebergia sp.
Tjernvik 1956
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| originally entered as "? Hunnebergia sp." | ||||||||||
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Aulacoparia cf. venta
(Hintze 1953)
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| originally entered as "Aulacoparia cf. venta" | ||||||||||
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? Isoteloides sp.
Raymond 1910
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| originally entered as "? Isoteloides sp." | ||||||||||
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Megistaspis sp.
Jaanusson 1956
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| 2 species | ||||||||||
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? Trigonocerca sp.
Ross 1951
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| originally entered as "? Trigonocerca sp." | ||||||||||
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? Presbynileus ibexensis
(Hintze 1953)
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| originally entered as "? Presbynileus ibexensis" | ||||||||||
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Protopresbynileus sp.
Hintze 1954
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Trilobita
- Asaphida
- Remopleurididae
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Eorobergia sp.
Cooper 1953
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Trilobita
- Ptychopariida
- Shumardiidae
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Shumardia sp.
Billings 1862
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Agnostida
- Metagnostidae
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Geragnostus sp.
Howell 1935
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Rhynchonellata
- Orthida
- Archaeorthidae
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Archaeorthis sp.
Schuchert and Cooper 1931
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| 4 species | ||||||||||
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Cephalopoda
- Tarphycerida
- Trocholitidae
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Curtoceras sp.
Ulrich et al. 1942
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Nevada |
| Coordinates: | 39.1° North, 116.3° West (view map) | ||
| Paleocoordinates: | 4.7° South, 84.4° West | ||
| Basis of coordinate: | based on political unit |
Time
| Period: | Ordovician | Epoch: | Early Ordovician |
| 10 m.y. bin: | Ordovician 1-2 | ||
| *Period: | Early/Lower Ordovician | ||
| Key time interval: | Tulean | Trilobite zone: | Hintzeia celsaora - Protopliomerella contracta |
| Age range of interval: | 480.3 - 473.9 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Ninemile | ||||
| Stratigraphy comments: "L. Ord., zone g, below antelope valley ls." |
Lithology and environment
| Primary lithology: | "limestone" |
| Secondary lithology: | "shale" |
| Environment: | deep subtidal shelf |
| Geology comments: "interbedded sh and ls. outer shelf BA4." | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
| Collection method comments: "collections d340a,b,c,d,e,f,g,h,i,j,k,l, d296" | |
| Taxonomic list comments:"R.Ross 1970 Prof. Paper 639" | |
Metadata
| Database number: | 291 | ||
| Authorizer: | J. Sepkoski | Enterer: | M. Sommers |
| Modifier: | J. Marcot | Research group: | marine invertebrate |
| Created: | 1998-11-20 10:07:18 | Last modified: | 2024-02-27 15:53:21 |
| Access level: | the public | Released: | 1998-11-20 10:07:18 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 25411. | R. J., J.r. Ross. 1970. Ordovician Brachiopods, Trilobites, and Stratigraphy in Eastern and Central Nevada. United States Geological Survey Professional Paper 639:1-99 [S. Finnegan/S. Finnegan/P. Wagner] |