K-1B (1000-1100 ft), Eniwetok Atol: Middle Miocene, Marshall Islands
collected by ONR and USGS 1951
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Rissoidae
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Rissoina (Phosinella) alexisi
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Rissoina (Rissolina) marshallensis
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Gastropoda
- Hipponicidae
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Hipponix (Pilosabia) revellei
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Ladd 1972 | ||||||
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Gastropoda
- Caecidae
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Fartulum aff. amputatum
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Ladd 1972 | ||||||
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Gastropoda
- Trochidae
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Thalotia (Thalotia) berauensis
(Beets 1941)
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Gastropoda
- Turbinidae
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Astraea (Astralium) informal sp. B
(Link 1807)
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| original and current combination Astralium | |||||||
| see common names | |||||||
Geography
| Country: | Marshall Islands |
| Coordinates: | 11.7° North, 162.3° East (view map) |
| Paleocoordinates: | 7.3° North, 172.3° East |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | small collection |
Time
| Period: | Neogene | Epoch: | Miocene |
| 10 m.y. bin: | Cenozoic 5 | ||
| Key time interval: | Middle Miocene | ||
| Age range of interval: | 15.98000 - 11.63000 m.y. ago |
Stratigraphy
| Local section: | K-1B | Local bed: | 1050 ft | ||
| Local order: | top to bottom | ||||
| Regional section: | Eniwetok Atol | Regional bed: | 1050 ft | ||
| Regional order: | top to bottom | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From an undifferentiated lithostratigraphic unit. AGE: Middle Miocene, on the basis of foraminiferal biostratigraphy and stratigraphic position. STRATIGRAPHIC POSITION: A composite list from several beds within this section of drill core, from 1000-1100 ft. | |||||
Lithology and environment
| Primary lithology: | unlithified not reported |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Not stated in text, probably carbonate. LITHIFICATION: Unlithified, based on figured specimens and facies description. | |
| Environment: | carbonate indet. |
| Geology comments: ENVIRONMENT: Carbonate facies. Shallow water. No paleoenvironmental data presented. | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some macrofossils | ||
| Collection methods: | core,field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | UNSM | ||
| Collectors: | ONR and USGS | Collection dates: | 1951 |
| Collection method comments: COLLECTOR: Office of Naval Research and USGS, 1951. REPOSITORY: USNM. | |||
| Taxonomic list comments:COEVERAGE: Representative, but not exhaustive for gastropoda. NOMENCLATURE: An authoritative publication with relatively modern nomenclature, subgenus- and species-level identifications. IDENTIFIER: H. S. Ladd. | |||
Metadata
| Database number: | 77993 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2008-01-24 17:01:29 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | authorizer only | Released: | 2009-01-24 17:01:29 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 26223. | H. S. Ladd. 1966. Chitons and Gastropods (Haliotidae through Adeorbidae) from Western Pacific Islands. United States Geological Survey Professional Paper 531:1-98 [A. Hendy/A. Hendy/J. Millet] |
Secondary references:
| 11409 | H. S. Ladd. 1972. Cenozoic fossil mollusks from Western Pacific Islands; Gastropods (Turritellidae through Strombidae). United States Geological Survey Professional Paper 532:1-79 [A. Miller/A. Hendy/A. Hendy] |