Where: Pakistan (26.1° N, 66.8° E: paleocoordinates 17.0° N, 64.8° E)
• coordinate stated in text
• outcrop-level geographic resolution
When: Nari Formation, Early/Lower Oligocene (33.9 - 28.4 Ma)
• STRATIGRAPHIC RELATIONS: From Nari Fm, which unconformably overlies the Kirthar Fm (Lutetian), and is conformably overlain by the Gaj Fm (Burdigalian). THICKNESS: Ranges between 768-1846 m. AGE: On the basis of faunal evidence, the Nari Fm is considered to be Late Oligocene-Early Miocene in age (Khan 1968, Hunting Survey Corporation, 1960). Iqbal (1980) is inconsistent, however, and figures the formation as ranging from Rupelian-Aquitanian. As collection is described from the lower Nari, and to be consistent with Vredenburg, a Rupelian age is assigned. STRATIGRAPHIC POSITION: Bed within lower Nari Fm.
• bed-level stratigraphic resolution
Environment/lithology: coastal; poorly lithified, medium-grained, ferruginous, brown, gray, green, white, calcareous sandstone
Size class: macrofossils
Collected by Iqbar in 1966
Collection methods: surface (in situ),
• COLLECTOR: M. W. A. Iqbar (1966). REPOSITORY: Geological Survey of Pakistan.
Primary reference: M. W. A. Iqbal. 1980. Oligo-Miocene bivalves and gastropods from Kirthar Province, lower Indus Basin, Pakistan. Records of the Geological Society of Pakistan 51:1-59 [A. Hendy/A. Hendy]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 77450: authorized by Austin Hendy, entered by Austin Hendy on 12.01.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Bivalvia | |
Arcomytilus cf. biochei Deshayes 1858 mussel | |
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Ostrea protoimbricata Vredenburg 1928 oyster | |
Pecten (Amussiopecten) labadyei d'Archaic and Haime 1853 scallop | |
? Glans rovereti Vredenburg 1928 clam | |
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Nemocardium (Discors) naricum Vredenburg 1928 cockle | |
Macrosolen cyclopeus Brongniart 1823 clam | |
Dosina subpencillata, "Venus (Antigona) mekranica" = Venus mekranica
Dosina subpencillata venus clam
"Venus (Antigona) mekranica" = Venus mekranica Vredenburg 1928 venus clam | |
Gastropoda | |
"Turbo (Mormorostoma) radiatus" = Turbo (Marmarostoma) radiatus
"Turbo (Mormorostoma) radiatus" = Turbo (Marmarostoma) radiatus Gmelin 1791 snail SUBSPECIES: Turbo (Mormorostoma) radiatus narica
| |
"Architectonica naricum" = Architectonica narica
"Architectonica naricum" = Architectonica narica Vredenburg 1928 sundial | |
"Chondrocerithium bhagothorensis" = Cerithium (Chondrocerithium), Ptychocerithium perlamellosum
"Chondrocerithium bhagothorensis" = Cerithium (Chondrocerithium) cerith snail
Ptychocerithium perlamellosum Vredenburg 1928 cerith snail | |
"Protoma retrodilatum" = Protoma retrodilatatum, Protoma subrenevieri, Turritella narica, Turritella tipperi, Turritella bhagothorensis
"Protoma retrodilatum" = Protoma retrodilatatum Vredenburg 1928 turret shell
Protoma subrenevieri Vredenburg 1928 turret shell
Turritella narica Vredenburg 1928 turret shell
Turritella tipperi Vredenburg 1928 turret shell
Turritella bhagothorensis Vredenburg 1928 turret shell | |
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Cypraea (Erosaria) sindiensis Vredenburg 1925 cowry | |
"Cypraea (Bernayia) subexisa" = Apiocypraea subexcisa
"Cypraea (Bernayia) subexisa" = Apiocypraea subexcisa Braun 1840 snail | |
"Xancus cf. episoma" = Turbinella episoma
"Xancus cf. episoma" = Turbinella episoma Michelotti 1861 snail | |
Siphonalia (Kelletia) cf. nodulosa, Siphonalia (Kelletia) mekranica, Cantharus erythrostoma, Cantharus cf. bucklandi
Siphonalia (Kelletia) cf. nodulosa Sowerby 1840 true whelk
Siphonalia (Kelletia) mekranica Vredenburg 1925 true whelk
Cantharus erythrostoma Reeve 1849 true whelk
Cantharus cf. bucklandi d'Archiac 1850 true whelk | |
| |
Latirus sindiensis Vredenburg 1921 snail | |
Trigonostoma indicum Vredenburg 1925 snail
Uxia cf. narica Vredenburg 1925 snail | |
"Ancilla (Sparella) indica" = Ancilla indica, Oliva (Strephona) australis
"Ancilla (Sparella) indica" = Ancilla indica Vredenburg 1925 olive snail
Oliva (Strephona) australis Duclos 1835 olive snail | |
Conus (Lithoconus) ineditus Michelotti 1861 cone shell
Conorbis sindiensis2 Vredenburg 1925 cone shell SUBSPECIES: Conorbis dormitor bhagothorensis & sindiensis
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"Volutospina sindiensis" = Athleta (Volutospina) sindiensis, Lyria anceps, "Lyria cf. jugosa" = Lyria (Harpeola) jugosa
"Volutospina sindiensis" = Athleta (Volutospina) sindiensis Vredenburg 1925 volute
Lyria anceps Michelotti 1861 volute
"Lyria cf. jugosa" = Lyria (Harpeola) jugosa Sowerby 1839 volute | |
"Harpa (Eocithara) narica" = Eocithara narica
"Harpa (Eocithara) narica" = Eocithara narica Vredenburg 1925 snail | |
Murex (Haustellum) cf. naricus Vredenburg 1925 murex snail | |
"Rimella subrimosa" = Varicospira subrimosa
"Rimella subrimosa" = Varicospira subrimosa d'Orbigny 1852 snail SUBSPECIES: Rimella subrimosa narica
| |
Semicassis cf. harpaeformis Lamarck 1803 snail
Sconsia cf. beyrichi Michelotti 1861 snail | |
"Euspirocrommium cf. oweni" = Pachycrommium oweni, Globularia cf. gibberosa
"Euspirocrommium cf. oweni" = Pachycrommium oweni d'Archiac and Haime 1854 snail
Globularia cf. gibberosa Grateloup 1847 snail |