Katrol Formation
Geologic formation in India
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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]
| Katrol Formation | |
|---|---|
| Stratigraphic range: Kimmeridgian-Tithonian ~ | |
| Type | Geological formation |
| Underlies | Bhuj Formation |
| Overlies | Wagad Formation |
| Area | Kutch[1] |
| Location | |
| Coordinates | 23.5°N 70.5°E |
| Approximate paleocoordinates | 27.4°S 33.3°E |
| Region | Gujarat |
| Country | India |
  Katrol Formation (India) | |
Paleobiota
Dinosaurs
Theropods
| Theropods of the Katrol Formation | ||||
|---|---|---|---|---|
| Genus | Species | Material | Notes | Photos |
| Megalosauridae? | Indeterminate | Footprints and vertebrae. | Originally described as an Allosauroid.[3] | |
Ornithischian
| Ornithischians of the Katrol Formation | ||||
|---|---|---|---|---|
| Genus | Species | Material | Notes | Photos |
| Ornithopoda?[3] | Indeterminate | Footprints | An Ornithopod | |
Sauropterygians
| Sauropterygians of the Katrol Formation | ||||
|---|---|---|---|---|
| Genus | Species | Material | Notes | Photos |
| Cryptoclididae[4] | Indeterminate | BHU No. 11701, Nineteen connected cervical vertebrae about 1 metre long. | A Plesiosaur. | |
Ichthyosaurs
| Ichthyosaurs of the Katrol Formation | ||||
|---|---|---|---|---|
| Genus | Species | Material | Notes | Photos |
| Ophthalmosauridae[5] | Indeterminate | Articulated partial skeleton. | An Ophthalmosaurid Ichthyosaur, estimated to be 5 to 5.5 metres long. |  |
Mollusca
| 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. | |
Insecta