E-1 (200-300 ft), Eniwetok Atol: Early/Lower Pliocene, Marshall Islands
collected by ONR and USGS 1952

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Strombidae
Strombus (Conomurex) luhuanus (Linnaeus 1758)
Ladd 1972
Gastropoda - Neogastropoda - Costellariidae
Vexillum (Costellaria) roseum
Ladd 1977
Bivalvia - Cardiida - Cardiidae
Cardium sp. Linnaeus 1758
Bivalvia - Arcida - Arcidae
Arcidae indet. Lamarck 1809
Listed as "arcid"
Ulvophyceae - Bryopsidales - Halimedaceae
Halimeda sp. Lamouroux 1812
Florideophyceae - Hapalidiales - Lithothamniacae
Lithothamnium sp. Philippi
replaced by Lithothamnion
Angiospermae - Magnoliales - Myristicaceae
Virola cancellata
Ladd 1972
see common names

Geography
Country:Marshall Islands
Coordinates: 11.4° North, 162.4° East (view map)
Paleocoordinates:10.0° North, 165.5° East
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period:Neogene Epoch:Pliocene
Stage:Zanclean 10 m.y. bin:Cenozoic 6
Key time interval:Early/Lower Pliocene
Age range of interval:5.33300 - 3.60000 m.y. ago
Stratigraphy
Local section:E-1 Local bed:250 ft
Local order:top to bottom
Regional section:Eniwetok Atol Regional bed:250 ft
Regional order:top to bottom
Stratigraphic resolution:group of beds
Stratigraphy comments: STRATIGRAPHIC RELATIONS: From an undifferentiated lithostratigraphic unit. AGE: Late Pleistocene, on the basis of stratigraphic position. STRATIGRAPHIC POSITION: A composite list from several beds within this section of drill core, from 200-300 ft.
Lithology and environment
Primary lithology:coarse,shelly/skeletal unlithified calcareous "carbonate"
Includes fossils?Y
Lithology description: LITHOLOGY: Debris, coarse, platy; with numerous fresh and worn seigments of Halimeda - some cemented - and many small mollusks and foraminifera. Large fragments include worn corals, algae, mollusks. LITHIFICATION: Unlithified, on the basis of facies description and figured specimens.
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:general faunal/floral 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:43322
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:A. Hendy Research group:marine invertebrate
Created:2004-08-11 15:06:08 Last modified:2013-11-25 13:37:23
Access level:authorizer only Released:2005-08-11 15:06:08
Creative Commons license:CC BY
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]