E-1 (800-900 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
Gastropoda - Phasianellidae
Phasianella sp. Lamarck 1804
Gastropoda - Trochidae
Synaptocochlea marshallensis
Gastropoda - Skeneidae
Munditiella parryensis
Gastropoda - Lepetellida - Fissurellidae
Diodora (Elegidon) marshallensis Ladd 1966
Gastropoda - Neogastropoda - Fasciolariidae
Peristernia eniwetokensis
Ladd 1977
Gastropoda - Neogastropoda - Columbellidae
Mitrella sagitta
Ladd 1977
Gastropoda - Neogastropoda - Harpidae
? Eocithara informal sp. B Fischer 1883
Ladd 1977
Gastropoda - Neogastropoda - Muricidae
Coralliophila (Fusomurex) informal sp. A (Coen 1922)
Ladd 1977
synonym of Hirtomurex
Coralliophila (Fusomurex) informal sp. B (Coen 1922)
Ladd 1977
synonym of Hirtomurex
Gastropoda - Hipponicidae
Cheilea equestris (Linnaeus 1758)
Ladd 1972
Gastropoda - Triphoridae
Triphora (Triphora) otsuensis
Ladd 1972
Triphora (Mastonia) intermissa
Ladd 1972
Gastropoda - Cerithiopsidae
Cyrbasia (Joculator) aff. ovata
Ladd 1972
Gastropoda - Rissoidae
Amphithalmus (Cerostraca) jeffcoati Ladd 1972
recombined as Pusillina (Haurakia) jeffcoati
Alvania (Taramellia) kenneyi
synonym of Manzonia (Alvinia)
Rissoina (Zebinella) aff. supracosta
Rissoina (Rissolina) marshallensis
Rissoina (Rissolina) ephamilla
Rissoina (Rissolina) herringi
Rissoina (Rissoina) mijana
Rissoina (Phosinella) balteana
Merelina (Merelina) pisinna
Gastropoda - Caecidae
Micranellum schlangeri
Ladd 1972
Gastropoda - Neritidae
Smaragdia (Smaragdia) jogjacartensis (Martin 1916)
Polyplacophora - Neoloricata - Schizochitonidae
Schizochiton marshallensis Ladd 1966
Polyplacophora - Neoloricata - Acanthochitonidae
Cryptoplax informal sp. B Blainville 1818
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:850 ft
Regional section:Eniwetok Atol Regional bed:850 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 800-900 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:77977
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:A. Hendy Research group:marine invertebrate
Created:2008-01-24 14:29:33 Last modified:2013-11-25 13:37:23
Access level:authorizer only Released:2009-01-24 14:29:33
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]