Kachchh Jr 19: Early/Lower Callovian, 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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Gastropoda
- Nododelphinulidae
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Nododelphinula sp.
Cossmann 1916
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1 individual | |||||||||
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Gastropoda
- Aporrhaidae
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Dicroloma sp.
Gabb 1868
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1 individual | |||||||||
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Bivalvia
- Nuculanida
- Nuculanidae
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Dacryomya lacryma
(Sowerby 1824)
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1 individual | |||||||||
| recombined as Leda lacryma | ||||||||||
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Bivalvia
- Nuculida
- Nuculidae
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Nuculoma wynnei
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23 individuals | |||||||||
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Palaeonucula stoliczkai
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2 individuals | |||||||||
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Palaeonucula cuneiformis
(Sowerby 1840)
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14 individuals | |||||||||
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Bivalvia
- Mytilida
- Mytilidae
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Modiolus glendayi
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1 individual | |||||||||
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Bivalvia
- Pectinida
- Limidae
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Pseudolimea duplicata
(Sowerby 1814)
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11 individuals | |||||||||
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Bivalvia
- Arcida
- Parallelodontidae
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Indogrammatodon virgatus
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1 individual | |||||||||
| spelled with current rank as Grammatodon (Indogrammatodon) | ||||||||||
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Bivalvia
- Pholadomyida
- Pholadomyidae
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Pholadomya (Bucardiomya) lirata
(Sowerby 1818)
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1 individual | |||||||||
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Bivalvia
- Carditida
- Astartidae
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Nicaniella extensa
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2 individuals | |||||||||
| see common names | ||||||||||
Geography
| Country: | India | County: | Kachchh |
| Coordinates: | 23.5° North, 70.5° East (view map) | ||
| Paleocoordinates: | 24.1° South, 33.1° East |
Time
| Period: | Jurassic | Epoch: | Middle Jurassic |
| Stage: | Callovian | 10 m.y. bin: | Jurassic 5 |
| Key time interval: | Early/Lower Callovian | ||
| Age range of interval: | 165.30000 - 161.50000 m.y. ago |
Stratigraphy
| Formation: | Chari |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | unlithified sandy siltstone | ||
| Includes fossils? | Y | ||
| Lithology description: finesandy silt (fossils from here) with thin intercalations of finesandy intrasparite | |||
| 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: | 63060 | ||
| Authorizer: | F. Fursich | Enterer: | F. Fursich | Research group: | marine invertebrate |
| Created: | 2006-08-04 01:16:54 | Last modified: | 2006-08-04 04:16:54 |
| Access level: | authorizer only | Released: | 2009-08-04 01:16:53 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 17728. | F.T. Fürsich. 2006. Unpublished data from Kachchh. [F. Fursich/F. Fursich/F. Fursich] |