E-1 (800-900 ft), Eniwetok Atol (Miocene of Marshall Islands)

Where: Marshall Islands (11.4° N, 162.4° E: paleocoordinates 8.5° N, 168.6° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Late/Upper Miocene (11.6 - 5.3 Ma)

• 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.

• group of beds-level stratigraphic resolution

Environment/lithology: unlithified, shelly/skeletal carbonate

• ENVIRONMENT: Carbonate facies. Shallow water, presumably reefal. No paleoenvironmental data presented.
• LITHOLOGY: Not stated, but presumably carbonate. LITHIFICATION: Unlithified, on the basis of figured specimens.

Size class: macrofossils

Collected by ONR and USGS in 1952; reposited in the USNM

Collection methods: core,

• COLLECTOR: Office of Naval Research and USGS, 1952. REPOSITORY: USNM.

Primary reference: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 77977: authorized by Austin Hendy, entered by Austin Hendy on 24.01.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

• 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.
Show authors, comments, and common names
Gastropoda
 Lepetellida - Fissurellidae
Diodora (Elegidon) marshallensis
 Trochoidea - Trochidae
Synaptocochlea marshallensis
 Trochoidea - Phasianellidae
Phasianella sp.
Phasianella sp. Lamarck 1804 snail
 Trochoidea - Skeneidae
Munditiella parryensis
 Neritoidea - Neritidae
Smaragdia (Smaragdia) jogjacartensis
 Sorbeoconcha - Hipponicidae
Cheilea equestris1
Cheilea equestris1 Linnaeus 1758 hoof shell
 Sorbeoconcha - Cerithiopsidae
Cyrbasia (Joculator) aff. ovata1
 Sorbeoconcha - Triphoridae
Triphora (Triphora) otsuensis1, Triphora (Mastonia) intermissa1
 Sorbeoconcha - Rissoidae
"Amphithalmus (Cerostraca) jeffcoati" = Pusillina (Haurakia) jeffcoati, "Alvania (Taramellia) kenneyi" = Manzonia (Alvinia), Rissoina (Zebinella) aff. supracosta, Rissoina (Rissolina) marshallensis, Rissoina (Rissolina) ephamilla, Rissoina (Rissolina) herringi, Rissoina (Rissoina) mijana, Rissoina (Phosinella) balteana, Merelina (Merelina) pisinna
"Amphithalmus (Cerostraca) jeffcoati" = Pusillina (Haurakia) jeffcoati Ladd 1972 snail
"Alvania (Taramellia) kenneyi" = Manzonia (Alvinia) snail
 Sorbeoconcha - Caecidae
Micranellum schlangeri1
 Neogastropoda - Columbellidae
Mitrella sagitta2
 Neogastropoda - Fasciolariidae
Peristernia eniwetokensis2
 Neogastropoda - Muricidae
"Coralliophila (Fusomurex) "sp. B"" = Hirtomurex2, "Coralliophila (Fusomurex) "sp. A"" = Hirtomurex2
"Coralliophila (Fusomurex) "sp. B"" = Hirtomurex2 Coen 1922 murex snail
"Coralliophila (Fusomurex) "sp. A"" = Hirtomurex2 Coen 1922 murex snail
 Neogastropoda - Harpidae
? Eocithara "sp. B"2
? Eocithara "sp. B"2 Fischer 1883 snail
Polyplacophora
 Neoloricata - Acanthochitonidae
Cryptoplax "sp. B"
Cryptoplax "sp. B" Blainville 1818 chiton
 Neoloricata - Schizochitonidae
Schizochiton marshallensis
1Ladd 1972; 2Ladd 1977