| Katrol Formation | |
| Type: | Geological formation |
| Age: | Kimmeridgian-Tithonian ~ |
| Period: | Tithonian |
| Region: | Gujarat |
| Country: |  India |
| Coordinates: | 23.5°N 70.5°W |
| Paleocoordinates: | -27.4°N 33.3°W |
| Underlies: | Bhuj Formation, Umia Formation |
| Overlies: | Wagad Formation |
| Area: | Kutch[1] |
The Katrol Formation is a Mesozoic geologic formation in India. Fossil Dinosaur tracks have been reported from the formation. An indeterminate ophthalmosaurid ichthyosaur is also known from the formation in the Kutch district.[2]
| Molluscs of the Katrol Formation | ||||
|---|---|---|---|---|
| Genus | Species | Material | Notes | |
| Palaeonucula | P. cuneiformis | A Nut Clam. | ||
| P. stoliczkai | ||||
| Trigonia | Sp. | A Clam. | ||
| Nuculoma | N. wynnei | A Nut Clam | ||
| Belemnoidea | Indeterminate | A Belemnitida Cephalopod. | ||
| Streblites | S. plicodiscus | A Oppeliidae ammonite. | ||
| Oppelia | O. plana | A Oppeliidae ammonite. | ||
| O. kachhensis | ||||
| Aspidoceras | A. binodiferum | A Aspidoceratidae ammonite. | ||
| A. iphiceroides | ||||
| A. monacanthum | ||||
| Taramelliceras | T. trachinotum | A Oppeliidae ammonite. | ||
| Haploceras | H. deplanatum | A Haploceratidae ammonite. | ||
| H. propinquum | ||||
| Pachysphinctes | P. bathyplocus | A Perisphinctidae ammonite. | ||
| Perisphinctes | P. pottingeri | A Perisphinctidae ammonite. | ||
| P. torquatus | ||||
| P. katrolensis | ||||
| P. sparsiplicatus | ||||
| P. alterneplicatus | ||||
| P. euplocus | ||||
| Harpoceras | H. kobelli | A Hildoceratidae ammonite. | ||