Where: Marshall Islands (11.7° N, 162.3° E: paleocoordinates 7.3° N, 172.3° 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 list from several beds within this section of drill core, from 900-1000 ft.
• group of beds-level stratigraphic resolution
Environment/lithology: unlithified lithology not reported
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. 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 77992: authorized by Austin Hendy, entered by Austin Hendy on 24.01.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
"Astraea (Astralium) "sp. B"" = Astralium, "Leptothyra harlani" = Collonista, "Leptothyra aff. laeta" = Collonista
"Astraea (Astralium) "sp. B"" = Astralium Link 1807 snail
"Leptothyra harlani" = Collonista snail
"Leptothyra aff. laeta" = Collonista snail | |
"Liotina (Dentarene) "sp. A"" = Dentarene
"Liotina (Dentarene) "sp. A"" = Dentarene Iredale 1929 snail | |
Astele (Callistele) engebiensis Ladd 1966 top snail
Gibbula (Gibbula) engebiensis Ladd 1966 top snail | |
"Philippia (Psilaxis) radiata" = Psilaxis1
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Iravadia gardnerae snail | |
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Lydiphnis eniwetokense snail | |
"Amphithalmus (Cerostraca) jeffcoati" = Pusillina (Haurakia) jeffcoati, Rissoina (Rissolina) turricula, Rissoina (Rissolina) marshallensis, Rissoina (Rissoina) mijana
"Amphithalmus (Cerostraca) jeffcoati" = Pusillina (Haurakia) jeffcoati Ladd 1972 snail | |
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"Coralliophila (Fusomurex) "sp. A"" = Hirtomurex2
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Smaragdia (Smaragdia) jogjacartensis Martin 1916 snail |