Where: Marshall Islands (11.6° N, 165.4° E: paleocoordinates 7.1° N, 175.5° E)
• coordinate estimated from map
• small collection-level geographic resolution
When: Middle Miocene (16.0 - 11.6 Ma)
• STRATIGRAPHIC RELATIONS: From an undifferentiated lithostratigraphic unit. AGE: Middle Miocene, on the basis of foraminiferal biostratigraphy and stratigraphic position. STRATIGRAPHIC POSITION: A composite from several beds within the section of drill core of 1000-1100 ft.
• group of beds-level stratigraphic resolution
Environment/lithology: unlithified lithology not reported
Size class: macrofossils
Collected by JTF in 1947; reposited in the USNM
Collection methods: core,
• COLLECTOR: Operation Crossroads, Joint Task Force One, 1947. 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 78023: authorized by Austin Hendy, entered by Austin Hendy on 25.01.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Tectarius (Subditotectarius) rehderi n. sp. Ladd 1966 periwinkle | |
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"Astraea (Bellastraea) "sp. D"" = Astralium
"Astraea (Bellastraea) "sp. D"" = Astralium Link 1807 snail | |
Smaragdia (Smaragdia) "sp. A" Issel 1869 snail | |
Polyplacophora | |
Schizochiton marshallensis Ladd 1966 chiton |