Where: Marshall Islands (11.6° N, 165.4° E: paleocoordinates 11.6° N, 165.4° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Late/Upper Pleistocene (0.1 - 0.0 Ma)
• STRATIGRAPHIC RELATIONS: From an undifferentiated lithostratigraphic unit. AGE: Late Pleistocene, on the basis of stratigraphic position. STRATIGRAPHIC POSITION: A composite from several beds within the section of drill core of 100-200 ft.
• group of beds-level stratigraphic resolution
Environment/lithology: lagoonal or restricted shallow subtidal; poorly lithified, white limestone
Size classes: macrofossils, microfossils
Preservation: cast, mold/impression, original aragonite, replaced with calcite
Collected by JTF in 1947; reposited in the USNM
Collection methods: core,
• COLLECTOR: Operation Crossroads, Joint Task Force One, 1947. REPOSITORY: USNM.
Primary reference: K. O. Emery, J. I. Tracey, and H.S. Ladd. 1954. Geology of Bikini and nearby atolls: Part 1, Geology. United States Geological Survey Professional Paper 260(A):1-265 [A. Miller/A. Hendy/R. McClees-Funinan]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 43336: authorized by Austin Hendy, entered by Austin Hendy on 12.08.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Cerithium vertagus cerith snail | |
"Petaloconchus (Macrophragma) merkana" = Macrophragma2
| |
| |
"Cymatium (Septa) gemmatum" = Septa3
| |
Strombus (Euprotomus) vomer2, "Strombus gibberulus" = Strombus (Gibberulus) gibberulus, "Strombus (Gibberulus) gibberulus" = Strombus (Gibberulus) gibberulus2
"Strombus gibberulus" = Strombus (Gibberulus) gibberulus Linnaeus 1758 conch | |
"Astraea (Astralium) "sp. B"" = Astralium1
| |
Bivalvia | |
"Lioconcha cf. picta" = Lioconcha (Lioconcha) ornata
"Lioconcha cf. picta" = Lioconcha (Lioconcha) ornata Dillwyn 1817 venus clam | |
Foraminifera | |
Amphistegina sp. d'Orbigny 1826 | |
Tubothalamea | |
Ulvophyceae | |
Halimeda sp. Lamouroux 1812 | |
Florideophyceae | |
Lithothamnion sp. Heydrich 1897 |