E-1 (0-100 ft), Eniwetok Atol (Holocene of Marshall Islands)

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

• coordinate estimated from map

• small collection-level geographic resolution

When: Holocene (0.0 - 0.0 Ma)

• STRATIGRAPHIC RELATIONS: From an undifferentiated lithostratigraphic unit. AGE: Holocene, on the basis of stratigraphic position. STRATIGRAPHIC POSITION: A composite list from several beds within this section of drill core, from 0-100 ft.

• group of beds-level stratigraphic resolution

Environment/lithology: unlithified, pebbly, shelly/skeletal, calcareous sandstone

• ENVIRONMENT: Carbonate facies. Shallow water, presumably reefal. No paleoenvironmental data presented.
• SPECIFIC LITHOLOGY: Sand, uncemented, made up largely of worn tests of beach-type foraminifera mixed with coral pebbles, mollusk shells, echinoid spines, Halimeda. LITHIFICATION: Poorly-lithified, on the basis of facies description.

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 43306: authorized by Austin Hendy, entered by Austin Hendy on 11.08.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Not quite exhaustive, but comprehensive for gastropods. Bivalves not covered in publications. NOMENCLATURE: Authoritative publication, with moderately modern nomenclature, with subgenus and species-resolution assignments. IDENTIFIER: H. S. Ladd.
Tubothalamea
 Miliolida - Soritidae
Foraminifera
 Rotaliacea - Calcarinidae
Angiospermae
 Magnoliales - Myristicaceae
Virola pagoda2 magnoliids
Virola incisa2 magnoliids
Ulvophyceae
 Bryopsidales - Halimedaceae
Halimeda sp. Lamouroux 1812
Polyplacophora
 Neoloricata - Schizochitonidae
Loricella "sp. A"1 Pilsbry 1893 chiton
Gastropoda
 Trochoidea - Skeneidae
 Trochoidea - Phasianellidae
Phasianella sp.1 Lamarck 1804 snail
Tricolia (Hiloa) variabilis1 Pease 1860 snail
 Trochoidea - Turbinidae
"Leptothyra masculosa" = Collonista1, "Leptothyra picta" = Collonista1, Leptothyra inepta1, Leptothyra aff. candida1
"Leptothyra masculosa" = Collonista1 snail
"Leptothyra picta" = Collonista1 snail
Leptothyra inepta1 Gould 1861 snail
Leptothyra aff. candida1 Pease 1860 snail
 Trochoidea - Trochidae
Synaptocochlea concinna1 Gould 1845 top snail
Synaptocochlea rosacea1 Pease 1867 top snail
Hybochelus cancellatus1 Krauss 1848 top snail
Isanda (Parminolia) apicina1 Gould 1862 top snail
 Seguenzioidea - Eucyclidae
 Lepetellida - Fissurellidae
 Lepetellida - Scissurellidae
 Lepetellida - Anatomidae
 Epitonioidea - Epitoniidae
 Vanikoroidea - Eulimidae
Eulima "sp. A"4 Risso 1826 snail
 Cerithioidea - Cerithiidae
Bittium (Bittium) impendens2, Bittium (Bittium) ianthinum2, "Cerithium (Conocerithium) egenum" = Cerithium2
"Cerithium (Conocerithium) egenum" = Cerithium2 cerith snail
 Neogastropoda - Columbellidae
 Neogastropoda - Muricidae
Coralliophila (Coralliophila) sp.3, Pterynotus sp.3, "Drupa (Morula) concatenata" = Morula4
Coralliophila (Coralliophila) sp.3 Adams and Adams 1853 murex snail
Pterynotus sp.3 Swainson 1833 mustached bat
"Drupa (Morula) concatenata" = Morula4 murex snail
 Sorbeoconcha - Personidae
"Distorsio (Rhysema) pusilla" = Distorsio3
"Distorsio (Rhysema) pusilla" = Distorsio3 snail
 Sorbeoconcha - Cypraeidae
"Cypraea (Pustilaria) childreni" = Ipsa childreni3, "Cypraea (Luria) isabella" = Luria isabella3, "Pedicularia (Pediculariona) pacifica" = Pedicularia pacifica3
"Cypraea (Pustilaria) childreni" = Ipsa childreni3 Gray 1825 cowry
"Cypraea (Luria) isabella" = Luria isabella3 Linnaeus 1758 Isabell cowry
"Pedicularia (Pediculariona) pacifica" = Pedicularia pacifica3 Pease 1865 cowry
 Sorbeoconcha - Rissoidae
 Sorbeoconcha - Atlantidae
 Sorbeoconcha - Newtoniellidae
 Sorbeoconcha - Triphoridae
 Neritoidea - Neritidae
Pisulina adamsiana3 Nevill and Nevill 1869 snail