Where: Pakistan (28.0° N, 66.0° E: paleocoordinates 18.3° N, 63.6° E)
• coordinate stated in text
• outcrop-level geographic resolution
When: Nari Formation, Early/Lower Oligocene (33.9 - 28.4 Ma)
• STRATIGRAPHIC RELATIONS: Basal beds of regional succession, and is overlain by the Gaj beds (Early Miocene). AGE: Early Oligocene, based on similarity with European faunas of Lattofian and Stampian age. STRATIGRAPHIC POSITION: Unknown position within unit.
• 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 77158: authorized by Austin Hendy, entered by Austin Hendy on 21.12.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Lithodomus sublithophagus d'Orbigny 1850 mussel | |
Ostrea fraasi Mayer-Eymar 1888 oyster | |
"Pecten (Chlamys) tauroperstriatus" = Chlamys
"Pecten (Chlamys) tauroperstriatus" = Chlamys scallop SUBSPECIES: Pecten (Chlamys) tauroperstriatus persimplicula
| |
"Arca semitorta" = Trisidos semitorta
"Arca semitorta" = Trisidos semitorta Lamarck 1819 clam | |
Lucina (Gibbolucina) deperdita Michelotti 1861 clam | |
"Cytherea (Pitar) porrecta" = Pitar porrecta, "Venus (Clementia) protopapyracea" = Clementia (Clementia) protopapyracea, "Venus (Omphaloclathrum) puerpera" = Periglypta puerpera
"Cytherea (Pitar) porrecta" = Pitar porrecta Koenen 1894 venus clam
"Venus (Clementia) protopapyracea" = Clementia (Clementia) protopapyracea Vredenburg 1928 venus clam
"Venus (Omphaloclathrum) puerpera" = Periglypta puerpera Linnaeus 1758 venus clam SUBSPECIES: Venus (Omphaloclathrum) puerpera aglaurae
| |
Gastropoda | |
"Turbo (Olearia) protocepoides" = Turbo protocepoides
"Turbo (Olearia) protocepoides" = Turbo protocepoides Vredenburg 1928 snail | |
"Ampullina (Megatylotus) crassatina" = Ampullinopsis crassatina
"Ampullina (Megatylotus) crassatina" = Ampullinopsis crassatina Lamarck 1804 snail | |
"Sigaretus aquensis" = Sinum aquensis
"Sigaretus aquensis" = Sinum aquensis Recluz 1843 moon snail SUBSPECIES: Sigaretus aquensis praecedens
| |
"Cypraea (Bernayia) subexcisa" = Apiocypraea subexcisa
"Cypraea (Bernayia) subexcisa" = Apiocypraea subexcisa Braun 1840 snail | |
Lyria anceps Michelotti 1861 volute | |
"Cerithium (Gourmya) baluchistanense" = Gourmya baluchistanense, "Telescopium charpentieri" = Cerithium pseudoobeliscus, "Cerithium (Ptychocerithium) perlamellosum" = Ptychocerithium perlamellosum
"Cerithium (Gourmya) baluchistanense" = Gourmya baluchistanense Vredenburg 1928 cerith snail
"Telescopium charpentieri" = Cerithium pseudoobeliscus Grateloup 1832 cerith snail
"Cerithium (Ptychocerithium) perlamellosum" = Ptychocerithium perlamellosum Vredenburg 1928 cerith snail | |
Protoma subrenevieri, Protoma deshayesi, "Turritella magnasperula" = Turritella (Peyrotia) magnasperula, "Turritella desmarestina" = Turritella (Peyrotia) desmarestina, Turritella narica
Protoma subrenevieri Vredenburg 1928 turret shell
Protoma deshayesi d'Archiac 1850 turret shell
"Turritella magnasperula" = Turritella (Peyrotia) magnasperula Sacco 1895 turret shell SUBSPECIES: Turritella magnasperula crassocingulata
"Turritella desmarestina" = Turritella (Peyrotia) desmarestina Basterot 1825 turret shell |