Kachchh Ja 28t (lower half): Early/Lower Oxfordian, India
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ammonitida
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Ammonitida indet.
Hyatt 1889
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1 individual | |||||||||
| originally entered as "Ammonitida sp." | ||||||||||
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Cephalopoda
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Belemnoidea indet.
Hyatt 1884
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13 individuals | |||||||||
| originally entered as "Belemnoidea sp." | ||||||||||
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Gastropoda
- Pleurotomariidae
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Bathrotomaria sp.
Cox 1956
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1 individual | |||||||||
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Bivalvia
- Pholadomyida
- Pholadomyidae
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Pholadomya (Pholadomya) inornata
Sowerby 1837
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1 individual | |||||||||
| recombined as Homomya inornata | ||||||||||
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Bivalvia
- Pholadida
- Pleuromyidae
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Pleuromya uniformis
Sowerby 1813
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2 individuals | |||||||||
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Bivalvia
- Cardiida
- Kalenteridae
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Myoconcha sp.
Sowerby 1824
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1 individual | |||||||||
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Bivalvia
- Lucinida
- Mactromyidae
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Unicardium sp.
d'Orbigny 1850
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1 individual | |||||||||
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Bivalvia
- Carditida
- Astartidae
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Neocrassina subdepressa
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14 individuals | |||||||||
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Trigonastarte minima
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1 individual | |||||||||
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Bivalvia
- Trigoniida
- Trigoniidae
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Trigonia (Trigonia) brevicostata
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5 individuals | |||||||||
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Bivalvia
- Pectinida
- Pectinidae
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Camptonectes (Camptonectes) auritus
(Schlotheim 1813)
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2 individuals | |||||||||
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Chlamys (Chlamys) textoria
(Schlotheim 1820)
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2 individuals | |||||||||
| recombined as Chlamys textoria | ||||||||||
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Bivalvia
- Pectinida
- Limidae
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Plagiostoma obscurum
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1 individual | |||||||||
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Pseudolimea duplicata
(Sowerby 1814)
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2 individuals | |||||||||
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Bivalvia
- Pectinida
- Plicatulidae
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Plicatula sp.
Lamarck 1801
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1 individual | |||||||||
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Plicatula badiensis
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1 individual | |||||||||
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Bivalvia
- Ostreida
- Bakevelliidae
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Gervillella siliqua
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3 individuals | |||||||||
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Bivalvia
- Ostreida
- Pteriidae
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Pteria polyodon
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2 individuals | |||||||||
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Bivalvia
- Ostreida
- Palaeolophidae
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Actinostreon marshi
(Sowerby 1814)
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15 individuals | |||||||||
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Bivalvia
- Ostreida
- Gryphaeidae
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Nanogyra nana
(Sowerby 1822)
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3 individuals | |||||||||
| recombined as Nanogyra (Nanogyra) nana | ||||||||||
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Gryphaea (Catinula) stoliczkai
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1 individual | |||||||||
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Bivalvia
- Pterioida
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Cingentolium (Cingentolium) partitum
(Sowerby 1840)
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2 individuals | |||||||||
| recombined as Costentolium partitum | ||||||||||
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Rhynchonellata
- Rhynchonellida
- Tetrarhynchiidae
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Daghanirhynchia sp.
Muir-Wood 1935
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3 individuals | |||||||||
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Rhynchonellata
- Terebratulida
- Postepithyrididae
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Kutchithyris ingluviosa
(Kitchin 1900)
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1 individual | |||||||||
| juveniles | ||||||||||
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Kutchithyris euryptycha
(Kitchin 1900)
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89 individuals | |||||||||
| see common names | ||||||||||
Geography
| Country: | India | County: | Kachchh |
| Coordinates: | 23.5° North, 70.5° East (view map) | ||
| Paleocoordinates: | 25.4° South, 33.0° East |
Time
| Period: | Jurassic | Epoch: | Late/Upper Jurassic |
| Stage: | Oxfordian | 10 m.y. bin: | Jurassic 5 |
| Key time interval: | Early/Lower Oxfordian | ||
| Age range of interval: | 161.50000 - 154.80000 m.y. ago |
Stratigraphy
| Formation: | Chari | Member: | Dhosa Oolite |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | bioturbation,ferruginous lithified argillaceous,silty packstone | ||
| Includes fossils? | Y | ||
| Lithology description: argillaceous, silty Fe-oolitic biomicrite (packstone), bioturbated | |||
| Environment: | offshore | Tectonic setting: | rift |
Taphonomy
| Modes of preservation: | body,original calcite,replaced with calcite |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | good |
| Abundance in sediment: | abundant |
| Articulated whole bodies: | many |
| Temporal resolution: | time-averaged |
| Spatial resolution: | autochthonous |
Collection methods and comments
| Collection methods: | bulk,mechanical,field collection |
| Reason for describing collection: | paleoecologic analysis |
Metadata
| Database number: | 63537 | ||
| Authorizer: | F. Fursich | Enterer: | F. Fursich |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2006-08-16 05:19:05 | Last modified: | 2023-01-29 17:03:21 |
| Access level: | the public | Released: | 2006-08-16 05:19:05 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 17728. | F.T. Fürsich. 2006. Unpublished data from Kachchh. [F. Fursich/F. Fursich/F. Fursich] |