E-1 (1800-1900 ft), Eniwetok Atol (Miocene of Marshall Islands)

Where: Marshall Islands (11.4° N, 162.4° E: paleocoordinates 6.0° N, 176.0° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Early/Lower Miocene (23.0 - 16.0 Ma)

• STRATIGRAPHIC RELATIONS: From an undifferentiated lithostratigraphic unit. AGE: Early Miocene, on the basis of foraminiferal biostratigraphy. STRATIGRAPHIC POSITION: A composite list from several beds within this section of drill core, from 1700-1800 ft.

• group of beds-level stratigraphic resolution

Environment/lithology: poorly lithified, shelly/skeletal, brown, gray limestone

• ENVIRONMENT: Carbonate facies. Shallow water, presumably reefal. No paleoenvironmental data presented.
• SPECIFIC LITHOLOGY: Limestone, gray to brown, porous, made up of well-preserved corals and shells. LITHIFICATION: Poorly-llithified, 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 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 43319: authorized by Austin Hendy, entered by Austin Hendy on 11.08.2004

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
 Cerithioidea - Turritellidae
Vermicularia "sp. A"2
Vermicularia "sp. A"2 Lamarck 1799 turret shell
 Trochoidea - Phasianellidae
Gabrielona raunana1
Gabrielona raunana1 Ladd 1966 snail
 Seguenzioidea - Seguenziidae
Putilla (Pseudosetia) morana1
Bivalvia
 Cardiida - Cardiidae
Cardium sp.
Cardium sp. Linnaeus 1758 cockle
1Ladd 1966; 2Ladd 1972