Where: Pakistan (25.3° N, 67.9° E)
• Paleocoordinates: 15.4° N, 68.5° E (Wright 2013)
• coordinate stated in text
• outcrop-level geographic resolution
When: Gaj Formation, Early/Lower Miocene (23.0 - 16.0 Ma)
• STRATIGRAPHIC RELATIONS: From the lowermost part of the upper Gaj beds, which regionally overlie the Nari beds (Oligocene) and are overlain by the Middle-Late Miocene Mekran beds. AGE: upper Early Miocene, based on similarity with European faunas of Burdigalian age. STRATIGRAPHIC POSITION: lower part of the upper 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 77400: authorized by Austin Hendy, entered by Austin Hendy on 10.01.2008
Creative Commons license: CC0 (CC0)
Taxonomic list
Gastropoda | |
"Telescopium charpentieri" = Cerithium pseudoobeliscus
"Telescopium charpentieri" = Cerithium pseudoobeliscus Grateloup 1832 cerith snail | |
"Potamides (Cerithidea) preangerensis" = Cerithidea (Cerithideopsilla) preangerensis
"Potamides (Cerithidea) preangerensis" = Cerithidea (Cerithideopsilla) preangerensis Martin 1899 horn snail | |
Bivalvia | |
Ostrea larimarginata oyster | |
"Ostrea imbricata" = Hyotissa imbricata, "Ostrea lingua" = Gyrostrea lingua
"Ostrea imbricata" = Hyotissa imbricata Lamarck 1819 imbricated oyster
"Ostrea lingua" = Gyrostrea lingua Sowerby 1840 oyster | |
"Pecten (Aequipecten) scabrellus" = Chlamys scabrellus
"Pecten (Aequipecten) scabrellus" = Chlamys scabrellus Lamarck 1819 scallop | |
Arca larkhanaensis d'Archaic 1850 ark | |
"Venus (Clementia) papyracea" = Clementia (Clementia) papyracea, "Venus (Omphaloclathrum) puerpera" = Periglypta puerpera
"Venus (Clementia) papyracea" = Clementia (Clementia) papyracea Gray 1825 venus clam
"Venus (Omphaloclathrum) puerpera" = Periglypta puerpera Linnaeus 1758 venus clam SUBSPECIES: Venus (Omphaloclathrum) puerpera granosa
| |
Cardium (Trachycardium) greenhoughi, "Cardium (Discors) triforme" = Discors triforme
Cardium (Trachycardium) greenhoughi d'Archiac and Haime 1853 cockle
"Cardium (Discors) triforme" = Discors triforme Sowerby 1840 cockle |