USNM 10807. 3 miles N & W of Roberts Creek Ranch, Roberts Mountains: Eifelian, Nevada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Tentaculita
- Styliolinida
- Styliolinidae
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Styliolina sp.
Karpinsky 1884
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Cephalopoda
- Agoniatitida
- Agoniatitidae
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Agoniatites sp.
Meek 1877
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Cephalopoda
- Agoniatitida
- Werneroceratidae
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Cabrieroceras aff. crispiforme
(Kayser 1879)
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Bivalvia
- Solemyida
- Ctenodontidae
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Tancrediopsis sp.
(Beushausen 1895)
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244 specimens | |||||||||
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Bivalvia
- Nuculida
- Nuculidae
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Nuculoidea sp.
Williams and Berger 1916
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206 specimens | |||||||||
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Bivalvia
- Nuculanida
- Malletiidae
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? Palaeoneilo sp.
Hall and Whitfield 1869
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2 specimens | |||||||||
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Bivalvia
- Ostreida
- Pterineidae
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? Leiopteria sp.
Hall 1883
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3 specimens | |||||||||
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Bivalvia
- Myalinida
- Ambonychiidae
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Mytilarca sp.
Hall and Whitfield 1869
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7 specimens | |||||||||
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Bivalvia
- Arcida
- Parallelodontidae
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Grammatodon sp.
Meek and Hayden 1860
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2 specimens | |||||||||
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Bivalvia
- Lucinida
- Mactromyidae
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Paracyclas sp.
Hall 1843
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5 specimens | |||||||||
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Bivalvia
- Lucinida
- Lucinidae
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Phenacocyclas sp.
La Rocque 1950
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5 specimens | |||||||||
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Bivalvia
- Pholadomyida
- Edmondiidae
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? Edmondia sp.
de Koninck 1841
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1 specimen | |||||||||
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Bivalvia
- Modiomorphida
- Cypricardiniidae
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Cypricardinia sp.
Hall 1860
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22 specimens | |||||||||
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Rostroconchia
- Conocardiida
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Conocardium sp.
Bronn 1835
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6 specimens | |||||||||
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= Conocardioidea sp.
Miller 1889
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Wagner 2023 | |||||||||
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Gastropoda
- Murchisoniina
- Murchisoniidae
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"Goniasma" megathanae n. sp.
Blodgett and Johnson 1992
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Blodgett and Johnson 1992 | 10 specimens | ||||||||
| type locality | ||||||||||
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Gastropoda
- Murchisoniina
- Hormotomidae
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Murchisonia (Murchisonia) nevadana n. sp.
Blodgett and Johnson 1992
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Blodgett and Johnson 1992 | 1 specimen | ||||||||
| type locality | ||||||||||
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Gastropoda
- Murchisoniina
- Loxonematidae
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Loxonema walcotti n. sp.
Blodgett and Johnson 1992
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Blodgett and Johnson 1992 | 416 specimens | ||||||||
| type locality | ||||||||||
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Gastropoda
- Murchisoniina
- Soleniscidae
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Subulites (Fusispira) informal sp. A
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Blodgett and Johnson 1992 | 5 specimens | ||||||||
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= ? Macrochilina informal sp. A
Bayle 1880
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Wagner 2023 | |||||||||
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Subulites (Fusispira) informal sp. B
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Blodgett and Johnson 1992 | 3 specimens | ||||||||
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= ? Macrochilina informal sp. B
Bayle 1880
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Wagner 2023 | |||||||||
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Subulites (Fusispira) informal sp. C
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Blodgett and Johnson 1992 | 8 specimens | ||||||||
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= ? Macrochilina informal sp. C
Bayle 1880
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Wagner 2023 | |||||||||
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Gastropoda
- Murchisoniina
- Gosseletinidae
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Ptychomphalina aurora
Blodgett and Johnson 1992
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Blodgett and Johnson 1992 | 82 specimens | ||||||||
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Angyomphalus (Eoangyomphalus) klapperi
Blodgett and Johnson 1992
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Blodgett and Johnson 1992 | 1 specimen | ||||||||
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? Hypselentoma sp.
Weller 1929
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Blodgett and Johnson 1992 | 1 specimen | ||||||||
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Gastropoda
- Murchisoniina
- Porcelliidae
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Porcellia (Porcellia) denayi
Blodgett and Johnson 1992
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Blodgett and Johnson 1992 | 1 specimen | ||||||||
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Porcellia (Paraporcellia) rohri
Blodgett and Johnson 1992
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Blodgett and Johnson 1992 | 1 specimen | ||||||||
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Quadricarina informal sp. B
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Blodgett and Johnson 1992 | 3 specimens | ||||||||
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Quadricarina glabrobasis
Blodgett and Johnson 1992
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Blodgett and Johnson 1992 | 36 specimens | ||||||||
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Gastropoda
- Murchisoniina
- Eotomariidae
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Denayella housei n. sp.
Blodgett and Johnson 1992
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Blodgett and Johnson 1992 | 60 specimens | ||||||||
| type locality | ||||||||||
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Gastropoda
- Naticopsidae
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Naticopsis (Naticopsis) sp.
M'Coy 1844
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Blodgett and Johnson 1992 | 3 specimens | ||||||||
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Gastropoda
- Bellerophontida
- Pterothecidae
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Merriamella eurekae
Blodgett and Johnson 1992
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Blodgett and Johnson 1992 | 315 specimens | ||||||||
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Gastropoda
- Bellerophontida
- Bellerophontidae
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Bellerophon (Bellerophon) nevadensis
Blodgett and Johnson 1992
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Blodgett and Johnson 1992 | 132 specimens | ||||||||
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Gastropoda
- Euomphalina
- Euomphalidae
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Straparollus (Straparollus) informal sp. C
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Blodgett and Johnson 1992 | 2 specimens | ||||||||
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Straparollus (Straparollus) caementarius
Blodgett and Johnson 1992
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Blodgett and Johnson 1992 | 64 specimens | ||||||||
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Gastropoda
- Euomphalina
- Holopeidae
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Lytospira sp.
Koken 1896
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Blodgett and Johnson 1992 | 1 specimen | ||||||||
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= Pachystrophia sp.
Perner 1903
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Wagner 2023 | |||||||||
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Rhynchonellata
- Spiriferida
- Reticulariidae
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Warrenella kirki
(Merriam 1940)
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121 specimens | |||||||||
| W. kirki praekirki | ||||||||||
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Rhynchonellata
- Spiriferida
- Xenomartiniidae
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Quadrithyris cf. vijaicus
(Khodalevich 1951)
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1 specimen | |||||||||
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Rhynchonellata
- Spiriferida
- Ambocoeliidae
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Echinocoelia denayensis
Johnson 1966
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64 specimens | |||||||||
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Crurithyris calendae
Johnson 1971
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21 specimens | |||||||||
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Rhynchonellata
- Terebratulida
- Stringocephalidae
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Rensselandia sp.
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1 specimen | |||||||||
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Rhynchonellata
- Athyridida
- Nucleospiridae
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Nucleospira sp.
Hall 1859
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4 specimens | |||||||||
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Rhynchonellata
- Athyridida
- Athyrididae
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Leptathyris index
Johnson 1971
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232 specimens | |||||||||
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Rhynchonellata
- Athyridida
- Meristellidae
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? Meristina sp.
Hall 1867
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7 specimens | |||||||||
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Rhynchonellata
- Orthida
- Draboviidae
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Vallomyonia devonica
(Walcott 1884)
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12 specimens | |||||||||
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Rhynchonellata
- Orthida
- Schizophoriidae
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Schizophoria sp.
King 1850
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124 specimens | |||||||||
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Strophomenata
- Strophomenida
- Chonetidae
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"Chonetes" sp.
Fischer de Waldheim 1830
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3 specimens | |||||||||
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Strophomenata
- Strophomenida
- Strophodontidae
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Parapholidostrophia harperi
Johnson 1971
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234 specimens | |||||||||
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Strophomenata
- Productida
- Productellidae
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Spinulicosta muirwoodi
Johnson 1971
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14 specimens | |||||||||
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Strophomenata
- Orthotetida
- Schuchertellidae
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"Schuchertella" sp.
Girty 1904
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6 specimens | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Nevada | County: | Eureka |
| Coordinates: | 40.0° North, 116.3° West (view map) | ||||
| Paleocoordinates: | 24.3° South, 54.4° West | ||||
| Basis of coordinate: | based on political unit | ||||
| Altitude: | 8640 feet | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Devonian | Epoch: | Middle Devonian |
| Stage: | Eifelian | 10 m.y. bin: | Devonian 3 |
| *Period: | Middle Devonian | *Epoch: | Early/Lower Middle Devonian |
| *International age/stage: | Early/Lower Eifelian - Early/Lower Eifelian | ||
| Key time interval: | Eifelian | Conodont zone: | Tortodus kockelianus |
| Age range of interval: | 393.3 - 387.7 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Geological group: | Nevada | Formation: | Denay Limestone | ||
| Local section: | Roberts Mountain | Local bed: | 17L | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Faunal Interval: 17L. | |||||
Lithology and environment
| Primary lithology: | packstone |
| Includes fossils? | Y |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body,replaced with silica |
| Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
| Collection excludes: | some macrofossils,some microfossils |
| Collection methods: | bulk,chemical,field collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | USNM |
| Taxonomic list comments:Generic taxonomy updated by me. Bivalves from Johnson (1971) identified by A. L. McAlester. | |
Metadata
| Also known as: | W-28-5 | ||
| Database number: | 3830 | ||
| Authorizer: | P. Wagner | Enterer: | P. Wagner |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 1999-08-10 17:08:06 | Last modified: | 2018-08-17 22:42:52 |
| Access level: | the public | Released: | 1999-08-10 17:08:06 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 11582. | J. G. Johnson. 1971. Lower Givetian brachiopods from Central Nevada. Journal of Paleontology 45(2):301-326 [P. Wagner/P. Wagner/P. Wagner] |
Secondary references:
| 255 | R. B. Blodgett and J. G. Johnson. 1992. Early Middle Devonian (Eifelian) Gastropods of Central Nevada. Palaeontographica Abteilung A 222:85-139 [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] |