Nisai Group (lower) (Eocene of Pakistan)

Where: Pakistan (30.8° N, 68.1° E: paleocoordinates 6.2° N, 62.5° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Nisai Group, Ypresian (56.0 - 47.8 Ma)

• STRATIGRAPHIC RELATIONS: From the Nisai Group, which unconformably overlies the Parh Group and Hindubagh intrusions and is conformably overlain by the Murgha Faqirzai shale and Multana Fm. THICKNESS: Ranges from 400-2000 ft. AGE: Ypresian on the basis of foraminiferal biostratigraphy. STRATIGRAPHIC POSITION: A composite list for the lower part of this group.

• formation-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified limestone and lithified, gray shale

• ENVIRONMENT: Shallow marine carbonate environment.
• SPECIFIC LITHOLOGY: Dark limestone and pale gray shale. LITHIFICATION: Lithified, on the basis on facies description and age.

Size class: macrofossils

Collection methods: COLLECTOR: Not reported in text. REPOSITORY: Not reported in text.

Primary reference: Hunting Survey Corporation, LTD. 1961. Reconnaissance Geology of Part of West Pakistan 1-550 [A. Hendy/A. Hendy/A. Hendy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 79074: authorized by Austin Hendy, entered by Austin Hendy on 24.02.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for bivalvia, gastropoda, echinoidea, algae, and foraminifera.
Show authors, comments, and common names
Echinoidea
 Spatangoida - Hemiasteridae
Hemiaster sp.
Hemiaster sp. Agassiz and Desor 1847 heart urchin
Bivalvia
 Ostreida - Ostreidae
Ostrea (Liostrea) "sp. A"
Ostrea (Liostrea) "sp. A" Douvillé 1904 oyster
 Carditida - Carditidae
Venericardia cf. intermedia
 Cardiida - Cardiidae
Cardium sp., "Cardium cf. cotteri" = Trachycardium cotteri
Cardium sp. Linnaeus 1758 cockle
"Cardium cf. cotteri" = Trachycardium cotteri Cox 1931 cockle
 Cardiida - Ungulinidae
Diplodonta hindu
 Cardiida - Veneridae
Pitar (Calpitaria) carteri
Pitar (Calpitaria) carteri d'Archaic and Haime 1854 venus clam
Gastropoda
 Neogastropoda - Volutidae
"Indovoluta multidentata" = Gosavia multidentata
"Indovoluta multidentata" = Gosavia multidentata d'Archiac and Haime 1854 volute
 Sorbeoconcha - Cassidae
Phalium sp.
Phalium sp. Link 1807 snail
 Architaenioglossa - Ampullinidae
Ampullella nuttalli
Ampullella nuttalli Cox 1931 snail
 Cerithioidea - Batillariidae
Pyrazus indicus
Pyrazus indicus Cox 1931 snail
 Neritoidea - Neritidae
Velates perversus
Velates perversus Gmelin 1791 snail
Foraminifera
  - Alveolinellidae
Flosculina globosa
 Planorbulinacea - Planorbulinidae
Linderina brugesi, Planorbulinella sp.
Planorbulinella sp. Cushman 1927
 Nummulitacea - Discocyclinidae
Discocyclina sp., Discocyclina aff. undulata, Discocyclina ? dispansa
 Nummulitacea - Nummulitidae
Operculina sp., Nummulites sp., Nummulites atacicus, Nummulites carteri, Nummulites globosa, Nummulites intermedius, Nummulites mamilla, Nummulites cf. mamilla, Nummulites cf. obesa, Nummulites obtusus, Nummulites perforatus, Assilina sp., Assilina ? daviesi, Assilina granulosa, Assilina leymeriei, Assilina cf. subspinosa, Assilina ? spinosa, Assilina spira
Nummulites sp. Lamarck 1801
 Rotaliina - Lepitorbitoididae
? Daviesina sp.
 Rotaliacea - Pellatispiridae
Miscellanea sp.
 Rotaliacea - Rotaliidae
Lockhartia cf. newboldi, Dictyoconoides cooki
 Orbitolinacea - Orbitolinidae
? Dictyoconus sp.
 Textulariacea - Valvulinidae
? Coskinolina sp., Lituonella sp.
Lituonella sp. Schlumberger and Douvillé 1905
Tubothalamea
 Miliolida - Soritidae
Opertorbitolites douvillei, ? Orbitolites sp., Orbitolites complanatus
 Miliolida - Alveolinidae
Alveolina sp., Alveolina oblonga, Alveolina cf. ovoidea, Alveolina subpyrenaica
Nodosariata
 Vaginulinida - Vaginulinidae
Lenticulina sp.
Lenticulina sp. Lamarck 1804
Foraminifera
 Lituolida - Lituolidae
Textularia sp.
Textularia sp. Defrance 1824