Where: Pakistan (23.3° N, 68.9° E: paleocoordinates 17.3° N, 67.8° E)
• coordinate stated in text
• outcrop-level geographic resolution
When: Gaj Formation, Early/Lower Miocene (23.0 - 16.0 Ma)
• STRATIGRAPHIC RELATIONS: From the lower Gaj beds, which regionally overlie the Nari beds (Oligocene) and are overlain by the Middle-Late Miocene Mekran beds. AGE: lower Early Miocene, based on similarity with European faunas of Aquitanian age. STRATIGRAPHIC POSITION: from the lower Gaj beds.
• group of beds-level stratigraphic resolution
Environment/lithology: coastal; poorly lithified siliciclastic sediments
Size class: macrofossils
Collected by Vredenburg
Collection methods: surface (in situ),
• COLLECTORS: Multiple collectors including W. Blanford, Wynne, Hira Lal, Ram Singh, and Noetling (staff of Geological Survey of India) during the early 1900's. REPOSITORY: Geological Survey of India, with voucher specimens possibly at the BMNH.
Primary reference: E. Vredenburg. 1925. Description of Mollusca from the post-Eocene Tertiary formation of north-western India: Cephalopoda, Opisthobranchiata, Siphonostomata. Memoirs of the Geological Survey of India 50(1):1-350 [A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 77171: authorized by Austin Hendy, entered by Austin Hendy on 21.12.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
"Trochus (Tectus) cognatus" = Tectus cognatus2
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"Turritella angulata" = Kapalmerella ranikoti2
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"Scala (Clathrus) gajensis" = Clathrus gajensis2
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Mitra chinensis, "Mitra (Chrysame) sowerbyi" = Chrysame sowerbyi
"Mitra (Chrysame) sowerbyi" = Chrysame sowerbyi d'Orbigny 1852 mitre shell | |
Conus (Lithoconus) odengensis Martin 1895 cone shell | |
| |
"Lyria jugosa" = Lyria (Harpeola) jugosa, Athleta (Volutospina) dentata
"Lyria jugosa" = Lyria (Harpeola) jugosa Sowerby 1839 volute
Athleta (Volutospina) dentata Sowerby 1839 volute | |
"Rostellaria protofusus" = Tibia protofusus
"Rostellaria protofusus" = Tibia protofusus Vredenburg 1928 true conch | |
"Cypraea (Bernayia) humerosa" = Barycypraea humerosa, "Cypraea prunum" = Callistocypraea (Miolyncina) prunum
"Cypraea (Bernayia) humerosa" = Barycypraea humerosa Sowerby 1839 cowry
"Cypraea prunum" = Callistocypraea (Miolyncina) prunum Sowerby 1839 cowry INCLUDES: Cypraea prunum nasuta
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Bivalvia | |
"Pecten (Chlamys) senatorius" = Mimachlamys senatoria2, Pecten (Chlamys) articulatus2, Pecten (Amussiopecten) placenta2
"Pecten (Chlamys) senatorius" = Mimachlamys senatoria2 Gmelin 1791 scallop SUBSPECIES: Pecten (Chlamys) senatorius soomrowensis
| |
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"Ostrea lingua" = Gyrostrea lingua2
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"Cardium (Discors) triforme" = Discors triforme2
| |
"Venus (Omphaloclathrum) puerpera" = Periglypta puerpera2, Tapes (Callistotapes) virgatus2, "Cytherea (Callista) pseudoumbonella" = Macrocallista (Costacallista) pseudoumbonella2
"Venus (Omphaloclathrum) puerpera" = Periglypta puerpera2 Linnaeus 1758 venus clam SUBSPECIES: Venus (Omphaloclathrum) puerpera granosa
"Cytherea (Callista) pseudoumbonella" = Macrocallista (Costacallista) pseudoumbonella2 Vredenburg 1928 venus clam | |
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