2B (800-900 ft), Bikini Island: Late/Upper Miocene, Marshall Islands
collected by JTF 1947
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Polyplacophora
- Neoloricata
- Acanthochitonidae
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Acanthochitona sp.
Gray 1821
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Gastropoda
- Turbinidae
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Leptothyra harlani
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synonym of Collonista | |||||||
Leptothyra wellsi
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synonym of Collonista | |||||||
Gastropoda
- Lepetellida
- Scissurellidae
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Scissurella (Scissurella) declinans
(Watson 1886)
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Gastropoda
- Rissoidae
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Rissoina (Schwartziella) rilebana
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see common names |
Geography
Country: | Marshall Islands |
Coordinates: | 11.6° North, 165.4° East (view map) |
Paleocoordinates: | 8.6° North, 171.6° East |
Basis of coordinate: | estimated from map |
Geographic resolution: | small collection |
Time
Period: | Neogene | Epoch: | Miocene |
10 m.y. bin: | Cenozoic 6 | ||
Key time interval: | Late/Upper Miocene | ||
Age range of interval: | 11.60800 - 5.33300 m.y. ago |
Stratigraphy
Local section: | 2B | Local bed: | 850 ft | ||
Local order: | top to bottom | ||||
Regional section: | Bikini Island | Regional bed: | 850 ft | ||
Regional order: | top to bottom | ||||
Stratigraphic resolution: | group of beds | ||||
Stratigraphy comments: STRATIGRAPHIC RELATIONS: From an undifferentiated lithostratigraphic unit. AGE: Late Miocene, on the basis of foraminiferal biostratigraphy. STRATIGRAPHIC POSITION: A composite from several beds within the section of drill core of 800-900 ft. |
Lithology and environment
Primary lithology: | unlithified not reported |
Includes fossils? | Y |
Lithology description: LITHOLOGY: Unknown, probably carbonate. LITHIFICATION: Unlithified, on the basis of figured specimens. | |
Environment: | carbonate indet. |
Geology comments: EMVIRONMENT: Not stated, but shallow marine carbonate facies. |
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: | USNM | ||
Collectors: | JTF | Collection dates: | 1947 |
Collection method comments: COLLECTOR: Operation Crossroads, Joint Task Force One, 1947. 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: | 78025 | ||
Authorizer: | A. Hendy | Enterer: | A. Hendy | Research group: | marine invertebrate |
Created: | 2008-01-25 07:23:00 | Last modified: | 2013-11-25 13:37:23 |
Access level: | authorizer only | Released: | 2009-01-25 07:22:59 |
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] |