K-1B (600-700 ft), Eniwetok Atol (Miocene of Marshall Islands)

Where: Marshall Islands (11.7° N, 162.3° E: paleocoordinates 8.8° N, 168.5° 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 600-700 ft.

• group of beds-level stratigraphic resolution

Environment/lithology: unlithified lithology not reported

• ENVIRONMENT: Carbonate facies. Shallow water. No paleoenvironmental data presented.
• SPECIFIC LITHOLOGY: Not stated in text, probably carbonate. LITHIFICATION: Unlithified, based on figured specimens and facies description.

Size class: macrofossils

Collected by ONR and USGS in 1951; reposited in the UNSM

Collection methods: core,

• COLLECTOR: Office of Naval Research and USGS, 1951. 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 43326: authorized by Austin Hendy, entered by Austin Hendy on 12.08.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• COEVERAGE: Representative, but not exhaustive for gastropoda. NOMENCLATURE: An authoritative publication with relatively modern nomenclature, subgenus- and species-level identifications. IDENTIFIER: H. S. Ladd.
Ulvophyceae
 Bryopsidales - Halimedaceae
Halimeda sp. Lamouroux 1812
Anthozoa
 Helioporacea -
Gastropoda
 Trochoidea - Turbinidae
"Leptothyra harlani" = Collonista1, "Leptothyra "sp. A"" = Collonista1
"Leptothyra harlani" = Collonista1 snail
"Leptothyra "sp. A"" = Collonista1 Iredale 1918 snail
 Seguenzioidea - Eucyclidae
 Neogastropoda - Marginellidae
"Marginella (Eratoidea) ringicula" = Eratoidea3
"Marginella (Eratoidea) ringicula" = Eratoidea3 margin shell
 Sorbeoconcha - Rissoidae
 Sorbeoconcha - Triphoridae
"Triphora (Inella) pyramidalis" = Inella2
"Triphora (Inella) pyramidalis" = Inella2 snail
Bivalvia
 Cardiida - Cardiidae
Tridacna sp. Bruguière 1797 cockle