K-1B (900-1000 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
Gastropoda
- Turbinidae
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Astraea (Astralium) informal sp. B
(Link 1807)
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original and current combination Astralium | |||||||
Leptothyra harlani
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synonym of Collonista | |||||||
Leptothyra aff. laeta
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synonym of Collonista | |||||||
Gastropoda
- Liotiidae
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Liotina (Dentarene) informal sp. A
(Iredale 1929)
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original and current combination Dentarene | |||||||
Gastropoda
- Trochidae
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Astele (Callistele) engebiensis
Ladd 1966
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Gibbula (Gibbula) engebiensis
Ladd 1966
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Gastropoda
- Neogastropoda
- Costellariidae
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Vexillum (Pusia) approximatum
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Ladd 1977 | ||||||
Gastropoda
- Neogastropoda
- Fasciolariidae
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Peristernia nassatula
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Ladd 1977 | ||||||
Gastropoda
- Neogastropoda
- Olividae
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Belloliva (Olivellopsis) simplex
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Ladd 1977 | ||||||
Gastropoda
- Neogastropoda
- Muricidae
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Coralliophila (Fusomurex) informal sp. A
(Coen 1922)
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Ladd 1977 | ||||||
synonym of Hirtomurex | |||||||
Gastropoda
- Rissoidae
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Amphithalmus (Cerostraca) jeffcoati
Ladd 1972
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recombined as Pusillina (Haurakia) jeffcoati | |||||||
Rissoina (Rissolina) turricula
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Rissoina (Rissolina) marshallensis
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Rissoina (Rissoina) mijana
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Gastropoda
- Adeorbidae
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Lydiphnis eniwetokense
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Gastropoda
- Iravadiidae
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Iravadia gardnerae
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Gastropoda
- Caecidae
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Micranellum schlangeri
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Ladd 1972 | ||||||
Fartulum aff. amputatum
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Ladd 1972 | ||||||
Gastropoda
- Plesiotrochidae
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Plesiotrochus marshallensis
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Ladd 1972 | ||||||
Plesiotrochus whitmorei
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Ladd 1972 | ||||||
Gastropoda
- Heterostropha
- Architectonicidae
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Philippia (Psilaxis) radiata
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Ladd 1972 | ||||||
original and current combination Psilaxis | |||||||
Gastropoda
- Neritidae
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Smaragdia (Smaragdia) jogjacartensis
(Martin 1916)
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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: | 950 ft | ||
Local order: | top to bottom | ||||
Regional section: | Eniwetok Atol | Regional bed: | 950 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 900-1000 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: | 77992 | ||
Authorizer: | A. Hendy | Enterer: | A. Hendy | Research group: | marine invertebrate |
Created: | 2008-01-24 17:00:32 | Last modified: | 2013-11-25 13:37:23 |
Access level: | authorizer only | Released: | 2009-01-24 17:00:32 |
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] | |
11410 | H. S. Ladd. 1977. Cenozoic fossil mollusks from Western Pacific Islands; Gastropods (Eratoidae through Harpidae). United States Geological Survey Professional Paper 533:1-84 [A. Miller/A. Hendy/J. Millet] |