E-1 (0-100 ft), Eniwetok Atol: Holocene, Marshall Islands
collected by ONR and USGS 1952
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Lepetellida
- Fissurellidae
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Diodora (Elegidon) aff. granifera
Pease 1861
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Ladd 1966 | ||||||
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Hemitoma (Montfortia) informal sp. A
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Ladd 1966 | ||||||
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Emarginula (Emarginula) cf. peasei
|
Ladd 1966 | ||||||
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Emarginula (Emarginula) cf. clypeus
(Adams 1852)
|
Ladd 1966 | ||||||
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Emarginula (Emarginula) bicancellata
(Montrouzier 1860)
|
Ladd 1966 | ||||||
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Emarginula (Subzeidora) souverbiana
|
Ladd 1966 | ||||||
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Rimula sp.
Defrance 1827
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Ladd 1966 | ||||||
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Gastropoda
- Lepetellida
- Anatomidae
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Scissurella (Anatoma) equatoria
(Hedley 1899)
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Ladd 1966 | ||||||
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Gastropoda
- Lepetellida
- Scissurellidae
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Scissurella (Scissurella) coronata
(Watson 1886)
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Ladd 1966 | ||||||
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Scissurella (Scissurella) declinans
(Watson 1886)
|
Ladd 1966 | ||||||
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Gastropoda
- Turbinidae
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Leptothyra masculosa
|
Ladd 1966 | ||||||
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Leptothyra picta
|
Ladd 1966 | ||||||
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Leptothyra aff. candida
(Pease 1860)
|
Ladd 1966 | ||||||
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Leptothyra inepta
(Gould 1861)
|
Ladd 1966 | ||||||
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Gastropoda
- Phasianellidae
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Phasianella sp.
Lamarck 1804
|
Ladd 1966 | ||||||
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Tricolia (Hiloa) variabilis
(Pease 1860)
|
Ladd 1966 | ||||||
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Gastropoda
- Trochidae
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Hybochelus cancellatus
(Krauss 1848)
|
Ladd 1966 | ||||||
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Synaptocochlea concinna
(Gould 1845)
|
Ladd 1966 | ||||||
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Synaptocochlea rosacea
(Pease 1867)
|
Ladd 1966 | ||||||
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Isanda (Parminolia) apicina
(Gould 1862)
|
Ladd 1966 | ||||||
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Gastropoda
- Skeneidae
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Munditiella parryensis
|
Ladd 1966 | ||||||
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Leucorhynchia caledonica
|
Ladd 1966 | ||||||
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Leucorhynchia crossei
|
Ladd 1966 | ||||||
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Gastropoda
- Eucyclidae
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Euchelus (Vaceuchelus) informal sp. A
|
Ladd 1966 | ||||||
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Euchelus (Vaceuchelus) angulatus
(Pease 1867)
|
Ladd 1966 | ||||||
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Euchelus (Herpetopoma) instrictus
(Gould 1849)
|
Ladd 1966 | ||||||
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Euchelus (Euchelus) cf. quadricarinatus
(Dilwyn 1817)
|
Ladd 1966 | ||||||
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Gastropoda
- Neritidae
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Pisulina adamsiana
Nevill and Nevill 1869
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Ladd 1977 | ||||||
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Gastropoda
- Epitoniidae
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Epitonium (Gyroscala) perplexum
|
Ladd 1972 | ||||||
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Gastropoda
- Rissoidae
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Zebina (Morchiella) cooperi
|
Ladd 1966 | ||||||
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Rissoina (Schwartziella) aff. flexuosa
|
Ladd 1966 | ||||||
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Rissoina (Rissoina) ekkanana
|
Ladd 1966 | ||||||
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Rissoina (Rissolina) turricula
|
Ladd 1966 | ||||||
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Gastropoda
- Newtoniellidae
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Ataxocerithium eniwetokensis
|
Ladd 1972 | ||||||
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Gastropoda
- Triphoridae
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Triphora (Inforis) albogranosa
|
Ladd 1972 | ||||||
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Triphora (Triphora) pallida
|
Ladd 1972 | ||||||
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Triphora (Mastonia) squamosa
|
Ladd 1972 | ||||||
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Gastropoda
- Personidae
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Distorsio (Rhysema) pusilla
|
Ladd 1977 | ||||||
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Gastropoda
- Neogastropoda
- Muricidae
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Pterynotus sp.
Swainson 1833
|
Ladd 1977 | ||||||
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Drupa (Morula) concatenata
|
Ladd 1982 | ||||||
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Coralliophila (Coralliophila) sp.
Adams and Adams 1853
|
Ladd 1977 | ||||||
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Gastropoda
- Neogastropoda
- Columbellidae
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Euplica varians
|
Ladd 1977 | ||||||
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Zafrona lifuana
|
Ladd 1977 | ||||||
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Pyrene obtusa
|
Ladd 1977 | ||||||
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Columbella pardalina
|
Ladd 1977 | ||||||
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Gastropoda
- Cypraeidae
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Cypraea (Pustilaria) childreni
Gray 1825
|
Ladd 1977 | ||||||
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Cypraea (Luria) isabella
(Linnaeus 1758)
|
Ladd 1977 | ||||||
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Pedicularia (Pediculariona) pacifica
(Pease 1865)
|
Ladd 1977 | ||||||
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Gastropoda
- Eulimidae
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Eulima informal sp. A
|
Ladd 1982 | ||||||
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Gastropoda
- Cerithiidae
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Bittium (Bittium) impendens
|
Ladd 1972 | ||||||
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Bittium (Bittium) ianthinum
|
Ladd 1972 | ||||||
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Cerithium (Conocerithium) egenum
|
Ladd 1972 | ||||||
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Gastropoda
- Atlantidae
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Atlanta peronii
|
Ladd 1977 | ||||||
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Polyplacophora
- Schizochitonidae
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Loricella informal sp. A
|
Ladd 1966 | ||||||
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Ulvophyceae
- Bryopsidales
- Halimedaceae
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Halimeda sp.
Lamouroux 1812
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Tubothalamea
- Miliolida
- Soritidae
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Marginopora sp.
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Calcarinidae
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Calcarina sp.
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Angiospermae
- Magnoliales
- Myristicaceae
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Virola pagoda
|
Ladd 1972 | ||||||
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Virola incisa
|
Ladd 1972 | ||||||
| see common names | |||||||
Geography
| Country: | Marshall Islands |
| Coordinates: | 11.4° North, 162.4° East (view map) |
| Paleocoordinates: | |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | small collection |
Time
| Period: | Quaternary | Epoch: | Holocene |
| 10 m.y. bin: | Cenozoic 6 | ||
| Key time interval: | Holocene | ||
| Age range of interval: | 0.0117 - 0 m.y. ago |
Stratigraphy
| Local section: | E-1 | Local bed: | 50 ft | ||
| Local order: | top to bottom | ||||
| Regional section: | Eniwetok Atol | Regional bed: | 50 ft | ||
| Regional order: | top to bottom | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From an undifferentiated lithostratigraphic unit. AGE: Holocene, on the basis of stratigraphic position. STRATIGRAPHIC POSITION: A composite list from several beds within this section of drill core, from 0-100 ft. | |||||
Lithology and environment
| Primary lithology: | pebbly,shelly/skeletal unlithified calcareous sandstone |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Sand, uncemented, made up largely of worn tests of beach-type foraminifera mixed with coral pebbles, mollusk shells, echinoid spines, Halimeda. LITHIFICATION: Poorly-lithified, on the basis of facies description. | |
| Environment: | carbonate indet. |
| Geology comments: ENVIRONMENT: Carbonate facies. Shallow water, presumably reefal. No paleoenvironmental data presented. | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | core,field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | USNM | ||
| Collectors: | ONR and USGS | Collection dates: | 1952 |
| Collection method comments: COLLECTOR: Office of Naval Research and USGS, 1952. REPOSITORY: USNM. | |||
| Taxonomic list comments:COVERAGE: Not quite exhaustive, but comprehensive for gastropods. Bivalves not covered in publications. NOMENCLATURE: Authoritative publication, with moderately modern nomenclature, with subgenus and species-resolution assignments. IDENTIFIER: H. S. Ladd. | |||
Metadata
| Database number: | 43306 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2004-08-11 13:31:22 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | authorizer only | Released: | 2005-08-11 13:31:22 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 11427. | H. S. Ladd and S.O. Schlanger. 1960. Drilling operations on Eniwetok Atoll. United States Geological Survey Professional Paper 260(Y):863-903 [A. Miller/A. Hendy/A. Hendy] |
Secondary references:
| 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] | |
| 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] | |
| 26328 | H. S. Ladd. 1982. Cenozoic fossil mollusks from Western Pacific Islands; Gastropods (Volutidae through Terebridae). United States Geological Survey Professional Paper 1171:1-100 [A. Hendy/A. Hendy] |