Where: Somalia (11.2° N, 49.0° E: paleocoordinates 10.8° N, 47.3° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Dubar Formation (Guban Group), Middle Miocene (16.0 - 11.6 Ma)
• STRATIGRAPHIC RELATIONS: From the Dubar Fm [enterers usage] of the Guban Series [group?], and presumably regionally overlies Early Miocene strata (equivalent to the Naag Fm) and is overlain by the Late Miocene conglomerate. AGE: Middle Miocene, equivalent to Helvacean and lowermost Mekran according to author on the basis of larger formaniferal and molluscan biostratigraphy. Ostrea virleti is indicator for this zone. STRATIGRAPHIC POSITION: From unknown position within section.
• group of beds-level stratigraphic resolution
Environment/lithology: shallow subtidal; lithified, white limestone
Size class: macrofossils
Collection methods: COLLECTOR: G. Facca, G. Merla, 1938-1939. REPOSITORY: Museo dell' Istituto Geologico dell' Universitá di Firenze.
Primary reference: A. Azzaroli. 1958. L'Oligocene e il Miocene della Somalia. Stratigrafia, Tettonica, Paleontologia (Macroforaminferi, Coralli, Molluschi). Palaeontolographia Italica 52:1-142 [A. Hendy/A. Hendy]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 79082: authorized by Austin Hendy, entered by Austin Hendy on 24.02.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
Foraminifera | |
Anthozoa | |
Heliastrea carnegiei Latham 1929 stony coral | |
"Hydnophora solidior" = Monticulastraea solidior, Hydnophora infundibulum n. sp.
"Hydnophora solidior" = Monticulastraea solidior Duncan 1880 stony coral
Hydnophora infundibulum n. sp. Azzaroli 1958 stony coral | |
Porites leptoclada Reuss 1871 stony coral | |
Alveopora somaliensis Azzaroli 1958 stony coral
Dendracis bifaria Gregory 1930 stony coral
Astreopora hemisphaerica Duncan 1880 stony coral | |
Bivalvia | |
"Ostrea virleti" = Hyotissa virleti
"Ostrea virleti" = Hyotissa virleti Deshayes 1832 oyster | |
"Ostrea folium" = Dendostrea folium
"Ostrea folium" = Dendostrea folium Linnaeus 1758 foliate oyster | |
"Kuphus cf. polythalamius" = Kuphus polythalamia
"Kuphus cf. polythalamius" = Kuphus polythalamia Linnaeus 1767 clam | |
Gastropoda | |
"Strombus ? coronatus" = Persististrombus coronatus, "Strombus cf. nodosus" = Persististrombus depertitus
"Strombus ? coronatus" = Persististrombus coronatus Defrance 1827 true conch
"Strombus cf. nodosus" = Persististrombus depertitus Sowerby 1840 true conch | |
Turbinella sp. Lamarck 1799 snail | |
"Conus cf. brevis" = Conus (Lithoconus) brevis
"Conus cf. brevis" = Conus (Lithoconus) brevis Sowerby 1840 cone shell | |
Xenophora sp. Fischer von Waldheim 1807 carrier shell | |
Cassidaria ? desori d'Archiac and Haime 1854 snail | |
Cypraea sp. Linnaeus 1758 cowry | |
Natica sp. Scopoli 1777 moon snail |