Where: Northern Mariana Islands (15.0° N, 145.6° E: paleocoordinates 15.0° N, 146.3° E)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Tanapag Limestone Formation, Late/Upper Pleistocene (0.1 - 0.0 Ma)
• STRATIGRAPHIC RELATIONS: From the Tanapag Lmst, which overlies the regional equivalent of the Mariana Lmst, and is overlain by the raised beach deposits. AGE: Late Pleistocene-Holocene on the basis of stratigraphic position. STRATIGRAPHIC POSITION: From unknown position within Tanapag Lmst.
• group of beds-level stratigraphic resolution
Environment/lithology: poorly lithified limestone
Size class: macrofossils
Reposited in the USNM
Collection methods: surface (in situ),
• COLLECTORS: Multiple collectors, including Cloud, Schmidt, and Burke (1948-1949, 1953), and Ladd (1958). REPOSITORY: USNM (formely USGS collections).
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 77941: authorized by Austin Hendy, entered by Austin Hendy on 23.01.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Turbo (Marmarostoma) argyrostomus Linnaeus 1758 snail | |
"Trochus (Trochus) maculatus" = Trochus maculatus, "Tectus (Tectus) pyramis" = Tectus pyramis
"Trochus (Trochus) maculatus" = Trochus maculatus Linnaeus 1758 top snail
"Tectus (Tectus) pyramis" = Tectus pyramis Born 1778 top snail | |
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Terebra (Oxymeris) maculata3, Terebra (Decorihastula) affinis3, "Terebra (Oxymeris) argus" = Subula (Oxymeris)3
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"Cerithium (Thericium) alveolus" = Thericium1
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Rhinoclavis (Rhinoclavis) procera1, Rhinoclavis (Rhinoclavis) aspera1, Rhinoclavis (Rhinoclavis) articulata1
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