Nari beds - Kudin, Baluchistan: Early/Lower Oligocene, Pakistan
collected by Vredenburg
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Naticidae
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Sigaretus aquensis
Recluz 1843
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Vredenburg 1928 | |||||||||
| recombined as Sinum aquensis | ||||||||||
| SUBSPECIES: Sigaretus aquensis praecedens | ||||||||||
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Gastropoda
- Eocypraeidae
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Cypraea (Bernayia) subexcisa
(Braun 1840)
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| recombined as Apiocypraea subexcisa | ||||||||||
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Gastropoda
- Neogastropoda
- Volutidae
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Lyria anceps
(Michelotti 1861)
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Gastropoda
- Ampullinidae
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Ampullina (Megatylotus) crassatina
(Lamarck 1804)
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Vredenburg 1928 | |||||||||
| recombined as Ampullinopsis crassatina | ||||||||||
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Gastropoda
- Cerithiidae
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Telescopium charpentieri
(Basterot 1825)
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Vredenburg 1928 | |||||||||
| synonym of Cerithium pseudoobeliscus | ||||||||||
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Cerithium (Ptychocerithium) perlamellosum
Vredenburg 1928
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Vredenburg 1928 | |||||||||
| recombined as Ptychocerithium perlamellosum | ||||||||||
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Cerithium (Gourmya) baluchistanense
Vredenburg 1928
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Vredenburg 1928 | |||||||||
| recombined as Gourmya baluchistanense | ||||||||||
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Gastropoda
- Turritellidae
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Protoma deshayesi
(d'Archiac 1850)
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Vredenburg 1928 | |||||||||
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Protoma subrenevieri
Vredenburg 1928
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Vredenburg 1928 | |||||||||
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Turritella narica
Vredenburg 1928
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Vredenburg 1928 | |||||||||
| SUBSPECIES: Turritella narica baluchistanensis | ||||||||||
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Turritella desmarestina
Basterot 1825
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Vredenburg 1928 | |||||||||
| recombined as Turritella (Peyrotia) desmarestina | ||||||||||
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Turritella magnasperula
(Sacco 1895)
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Vredenburg 1928 | |||||||||
| recombined as Turritella (Peyrotia) magnasperula | ||||||||||
| SUBSPECIES: Turritella magnasperula crassocingulata | ||||||||||
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Gastropoda
- Turbinidae
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Turbo (Olearia) protocepoides
Vredenburg 1928
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Vredenburg 1928 | |||||||||
| recombined as Turbo protocepoides | ||||||||||
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Bivalvia
- Mytilida
- Mytilidae
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Lithodomus sublithophagus
d'Orbigny 1850
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Vredenburg 1928 | |||||||||
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Bivalvia
- Ostreida
- Ostreidae
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Ostrea fraasi
Mayer-Eymar 1888
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Vredenburg 1928 | |||||||||
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Bivalvia
- Pectinida
- Pectinidae
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Pecten (Chlamys) tauroperstriatus
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Vredenburg 1928 | |||||||||
| original and current combination Chlamys | ||||||||||
| SUBSPECIES: Pecten (Chlamys) tauroperstriatus persimplicula | ||||||||||
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Bivalvia
- Arcida
- Arcidae
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Arca semitorta
Lamarck 1819
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Vredenburg 1928 | |||||||||
| recombined as Trisidos semitorta | ||||||||||
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Bivalvia
- Lucinida
- Lucinidae
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Lucina (Gibbolucina) deperdita
(Michelotti 1861)
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Vredenburg 1928 | |||||||||
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Bivalvia
- Cardiida
- Veneridae
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Venus (Clementia) protopapyracea
Vredenburg 1928
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Vredenburg 1928 | |||||||||
| recombined as Clementia (Clementia) protopapyracea | ||||||||||
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Venus (Omphaloclathrum) puerpera
(Linnaeus 1758)
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Vredenburg 1928 | |||||||||
| recombined as Periglypta puerpera | ||||||||||
| SUBSPECIES: Venus (Omphaloclathrum) puerpera aglaurae | ||||||||||
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Cytherea (Pitar) porrecta
(Koenen 1894)
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Vredenburg 1928 | |||||||||
| recombined as Pitar porrecta | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Pakistan |
| Coordinates: | 28.0° North, 66.0° East (view map) |
| Paleocoordinates: | 18.3° North, 63.6° East |
| Basis of coordinate: | stated in text |
| Geographic resolution: | outcrop |
Time
| Period: | Paleogene | Epoch: | Oligocene |
| Stage: | Rupelian | 10 m.y. bin: | Cenozoic 4 |
| Key time interval: | Early/Lower Oligocene | ||
| Age range of interval: | 33.90000 - 27.82000 m.y. ago |
Stratigraphy
| Formation: | Nari | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: 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. | |||||
Lithology and environment
| Primary lithology: | poorly lithified "siliciclastic" |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Unknown, but presumably siliciclastic. LITHIFICATION: Poorly-lithified, based on figured specimens. | |
| Environment: | coastal indet. |
| Geology comments: ENVIRONMENT: Not stated in text, but presumably shallow shelf siliciclastic. | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | surface (in situ),field collection |
| Reason for describing collection: | taxonomic analysis |
| Collectors: | Vredenburg |
| Collection method comments: 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. | |
| Taxonomic list comments:COVERAGE: Exhaustive for gastropoda, bivalvia, and scaphopoda. NOMENCLATURE: Antiquated, but from an authoritative publication, with use of species and subgenus resolution assignments. Nomenclature can be updated through reference to Harzhauser and Swarko publications. | |
Metadata
| Database number: | 77158 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2007-12-21 15:31:47 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | authorizer only | Released: | 2008-12-21 15:31:47 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 26063. | 1925 | 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] |
Secondary references:
| 26112 | E. Vredenburg. 1928. Description of Mollusca from the post-Eocene Tertiary formation of north-western India: Gastropoda (in part) and Lamellibranchiata. Memoirs of the Geological Survey of India 50(2):351-506 [A. Hendy/A. Hendy/A. Hendy] |