Where: Pakistan (23.3° N, 68.9° E: paleocoordinates 17.4° 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 77172: authorized by Austin Hendy, entered by Austin Hendy on 21.12.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
"Arca bataviana" = Arcopsis (Arcopsis) bataviana2
| |
| |
"Ostrea imbricata" = Hyotissa imbricata2
| |
"Pecten (Amussiopecten) subcorneus" = Amussium subcorneum2
| |
| |
| |
Dosinia pseudoargus2, "Venus (Omphaloclathrum) puerpera" = Periglypta puerpera2, "Cytherea (Callista) pseudoumbonella" = Macrocallista (Costacallista) pseudoumbonella2, "Venus (Clementia) papyracea" = Clementia (Clementia) papyracea2
"Venus (Omphaloclathrum) puerpera" = Periglypta puerpera2 Linnaeus 1758 venus clam SUBSPECIES: Venus (Omphaloclathrum) puerpera granosa
"Cytherea (Callista) pseudoumbonella" = Macrocallista (Costacallista) pseudoumbonella2 Vredenburg 1928 venus clam | |
| |
Gastropoda | |
"Atys protocylindrica" = Aliculastrum protocylindrica
"Atys protocylindrica" = Aliculastrum protocylindrica Vredenburg 1925 snail | |
Cerithium (Ptychocerithium) rude Sowerby 1840 cerith snail | |
"Pirula kachhensis" = Ficus kachhensis
"Pirula kachhensis" = Ficus kachhensis Vredenburg 1925 fig shell | |
"Cypraea prunum" = Callistocypraea (Miolyncina) prunum, "Cypraea (Bernayia) humerosa" = Barycypraea humerosa
"Cypraea prunum" = Callistocypraea (Miolyncina) prunum Sowerby 1839 cowry INCLUDES: Cypraea prunum nasuta
"Cypraea (Bernayia) humerosa" = Barycypraea humerosa Sowerby 1839 cowry | |
Mitra chinensis, "Mitra (Chrysame) sowerbyi" = Chrysame sowerbyi
"Mitra (Chrysame) sowerbyi" = Chrysame sowerbyi d'Orbigny 1852 mitre shell | |
"Tritonidea (Cantharus) bucklandi" = Cantharus bucklandi
"Tritonidea (Cantharus) bucklandi" = Cantharus bucklandi d'Archiac 1850 true whelk | |
"Melongena cornuta" = Galeodes cornutus
"Melongena cornuta" = Galeodes cornutus Agassiz 1843 snail | |
| |
Pleurotoma ickei Martin 1906 turrid | |
Conus (Lithoconus) brevis Sowerby 1840 cone shell | |
"Terebra (Myurella) reticulata" = Myurella reticulata
"Terebra (Myurella) reticulata" = Myurella reticulata Sowerby 1840 auger snail | |
Athleta (Volutospina) dentata, "Lyria jugosa" = Lyria (Harpeola) jugosa
Athleta (Volutospina) dentata Sowerby 1839 volute
"Lyria jugosa" = Lyria (Harpeola) jugosa Sowerby 1839 volute | |
Muricopsis exhexagonus Vredenburg 1925 murex snail | |
"Cassidea (Bezoardica) sculpta" = Semicassis sculpta
"Cassidea (Bezoardica) sculpta" = Semicassis sculpta Sowerby 1839 snail | |
|