UCMP A3678, east of Twin Rivers: Chattian, Washington
collected by J. Wyatt Durham
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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? Calyptraea vancouverensis
Clark and Arnold 1923
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Durham 1944 | |||||||||
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Gastropoda
- Neogastropoda
- Columbellidae
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Amphissa pulchrilineata
Clark 1918
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Durham 1944 | |||||||||
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Gastropoda
- Neogastropoda
- Fasciolariidae
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Priscofusus hannibali
(Clark and Arnold 1923)
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Durham 1944 | |||||||||
| original and current combination Fusinus (Priscofusus) hannibali | ||||||||||
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Gastropoda
- Neotaenioglossa
- Calyptraeidae
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Crepidula sp.
Lamarck 1799
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Durham 1944 | |||||||||
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Gastropoda
- Epitoniidae
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Acrilla olympicensis
Durham 1937
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Durham 1944 | |||||||||
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Bivalvia
- Lucinida
- Lucinidae
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Lucina acutilineata
Conrad 1849
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Durham 1944 | |||||||||
| recombined as Lucinoma acutilineata | ||||||||||
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Bivalvia
- Hiatellida
- Hiatellidae
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Panope sp.
Menard 1807
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Durham 1944 | |||||||||
| corrected as Panopea | ||||||||||
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Bivalvia
- Thraciida
- Thraciidae
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Thracia trapezoides
Conrad 1849
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Durham 1944 | |||||||||
| recombined as Thracia (Homoeodesma) trapezoides | ||||||||||
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Bivalvia
- Cardiida
- Veneridae
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Pitar californica
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Durham 1944 | |||||||||
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Pitar oregonensis
(Conrad 1848)
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Durham 1944 | |||||||||
| nomen dubium belonging to Cytherea | ||||||||||
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Macrocallista weaveri
Clark 1918
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Durham 1944 | |||||||||
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Chione carmanahensis
Clark 1925
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Durham 1944 | |||||||||
| recombined as Securella carmanahensis | ||||||||||
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Bivalvia
- Cardiida
- Mactridae
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Mactra ramonensis
(Packard 1916)
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Durham 1944 | |||||||||
| original and current combination Spisula albaria ramonensis | ||||||||||
| subspecies attenuata | ||||||||||
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Bivalvia
- Cardiida
- Tellinidae
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Apolymetis twinensis
Durham 1944
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Durham 1944 | |||||||||
| synonym of Psammotreta (Leporimetis) rostellata | ||||||||||
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Bivalvia
- Cardiida
- Cardiidae
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? Nemocardium lorenzanum
(Arnold 1908)
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Durham 1944 | |||||||||
| recombined as Nemocardium (Nemocardium) lorenzanum | ||||||||||
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Bivalvia
- Carditida
- Carditidae
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Venericardia castor
Dall 1909
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Durham 1944 | |||||||||
| recombined as Cyclocardia castor | ||||||||||
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Bivalvia
- Nuculida
- Nuculidae
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Acila gettysburgensis
(Regan 1909)
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Durham 1944 | |||||||||
| recombined as Acila (Acila) gettysburgensis | ||||||||||
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Cephalopoda
- Nautilida
- Aturiidae
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Aturia angustata
(Conrad 1849)
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| original and current combination Nautilus angustatus | ||||||||||
| (1 measurement) | ||||||||||
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Anthozoa
- Scleractinia
- Siderastreidae
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Siderastrea vancouverensis
Clark and Arnold 1923
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Durham 1944 | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Washington | County: | Clallam |
| Coordinates: | 48.2° North, 123.9° West (view map) | ||||
| Paleocoordinates: | 47.8° North, 115.0° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Paleogene | Epoch: | Oligocene |
| Stage: | Chattian | 10 m.y. bin: | Cenozoic 4 |
| Key time interval: | Chattian | ||
| Age range of interval: | 27.82000 - 23.03000 m.y. ago |
Stratigraphy
| Formation: | Pysht | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: "upper Oligocene Twin Rivers formation" according to Miller & Downs, 1950. Based on the location, now belongs to the Pysht Formation. | |||||
Lithology and environment
| Primary lithology: | lithified "siliciclastic" |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | UCMP |
| Collectors: | J. Wyatt Durham |
Metadata
| Database number: | 180405 | ||
| Authorizer: | M. Clapham, M. Uhen | Enterer: | M. Clapham, M. Uhen |
| Modifier: | M. Uhen | Research group: | marine invertebrate |
| Created: | 2016-07-15 23:38:31 | Last modified: | 2020-03-22 16:08:21 |
| Access level: | the public | Released: | 2016-07-15 23:38:31 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 59868. | A. K. Miller and H. R. Downs. 1950. Tertiary nautiloids of the Americas: supplement. Journal of Paleontology 24:1-18 [M. Clapham/M. Clapham] |
Secondary references:
| 65963 | J. W. Durham. 1944. Megafaunal zones of the Oligocene of northwestern Washington. University of California Publications in Geological Sciences 27:101 -212 [P. Holroyd/E. Orzechowski] |