E-1 (600-700 ft), Eniwetok Atol: Late/Upper Miocene, Marshall Islands
collected by ONR and USGS 1952

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Angiospermae - Magnoliales - Myristicaceae
Virola incisa
Ladd 1972
Gastropoda - Cerithiidae
Bittium (Bittium) sergentum
Ladd 1972
Gastropoda - Potamididae
Terebralia sulcata (Born 1778)
Ladd 1972
Gastropoda - Rissoidae
Rissoina (Rissoina) ambigua
Cingula (Peringiella) cf. rosecincta
Gastropoda - Adeorbidae
Lydiphnis eniwetokense
Gastropoda - Iravadiidae
Iravadia gardnerae
Gastropoda - Neogastropoda - Fasciolariidae
Peristernia ustulata (Reeve 1847)
Ladd 1977
Gastropoda - Neogastropoda - Mitridae
Mitra (Nebularia) turgida
Ladd 1977
Gastropoda - Strombidae
Strombus (Lentigo) micklei
Ladd 1972
Gastropoda - Vermetidae
Petaloconchus (Macrophragma) merkana
Ladd 1972
spelled with current rank as Macrophragma
Petaloconchus (Macrophragma) lamellosus
Ladd 1972
spelled with current rank as Macrophragma
Gastropoda - Liotiidae
Cyclostremiscus (Cyclostremiscus) emeryi (Ladd 1966)
recombined as Lodderena emeryi
Polyplacophora - Neoloricata - Schizochitonidae
Schizochiton marshallensis Ladd 1966
see common names

Geography
Country:Marshall Islands
Coordinates: 11.4° North, 162.4° East (view map)
Paleocoordinates:8.5° North, 168.6° 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:11.63000 - 5.33300 m.y. ago
Stratigraphy
Local section:E-1 Local bed:650 ft
Regional section:Eniwetok Atol Regional bed:650 ft
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 list from several beds within this section of drill core, from 600-700 ft.
Lithology and environment
Primary lithology:shelly/skeletal unlithified "carbonate"
Includes fossils?Y
Lithology description: LITHOLOGY: Not stated, but presumably carbonate. LITHIFICATION: Unlithified, on the basis of 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 excludes:some macrofossils
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:COEVERAGE: Representative, but not exhaustive of bivalvia and gastropoda. NOMENCLATURE: Mixture of some slightly antiquated and broad identifications and more modern nomenclature, subgenus- and species-level identifications from an authoritative publication. IDENTIFIER: H. S. Ladd.
Metadata
Database number:77975
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:A. Hendy Research group:marine invertebrate
Created:2008-01-24 14:27:30 Last modified:2013-11-25 13:37:23
Access level:authorizer only Released:2009-01-24 14:27:30
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]