Katrol Formation

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Katrol Formation
Stratigraphic range: Kimmeridgian-Tithonian
~150–145  Ma
O
S
D
C
P
T
J
K
Pg
N
Type Geological formation
Underlies Bhuj Formation
Overlies Wagad Formation
Area Kutch [1]
Location
Coordinates 23°30′N70°30′E / 23.5°N 70.5°E / 23.5; 70.5
Approximate paleocoordinates 27°24′S33°18′E / 27.4°S 33.3°E / -27.4; 33.3
Region Gujarat
Country India
India relief location map.jpg
Cyan pog.svg
Katrol Formation (India)

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]

Contents

Paleobiota

Dinosaurs

Sauropods of the Katrol Formation
GenusSpeciesMaterialNotesPhotos
Sauropoda [3] IndeterminateFootprintsA Sauropod.

Theropods

Theropods of the Katrol Formation
GenusSpeciesMaterialNotesPhotos
Megalosauridae?IndeterminateFootprints and vertebrae.Originally described as an Allosauroid. [3]

Ornithischian

Ornithischians of the Katrol Formation
GenusSpeciesMaterialNotesPhotos
Ornithopoda? [3] IndeterminateFootprintsAn Ornithopod

Sauropterygians

Sauropterygians of the Katrol Formation
GenusSpeciesMaterialNotesPhotos
Cryptoclididae [4] IndeterminateNineteen connected vertebrae.A Plesiosaur.

Ichthyosaurs

Ichthyosaurs of the Katrol Formation
GenusSpeciesMaterialNotesPhotos
Ophthalmosauridae [5] IndeterminateArticulated partial skeleton.An Ichthyosaur.

Mollusca

Molluscs of the Katrol Formation
GenusSpeciesMaterialNotes
Palaeonucula P. cuneiformisA Nut Clam.
P. stoliczkai
Trigonia Sp.A Clam.
Nuculoma N. wynneiA Nut Clam
Belemnoidea IndeterminateA Belemnitida Cephalopod.
Streblites S. plicodiscusA Oppeliidae ammonite.
Oppelia O. planaA Oppeliidae ammonite.
O. kachhensis
Aspidoceras A. binodiferumA Aspidoceratidae ammonite.
A. iphiceroides
A. monacanthum
Taramelliceras T. trachinotumA Oppeliidae ammonite.
Haploceras H. deplanatumA Haploceratidae ammonite.
H. propinquum
Pachysphinctes P. bathyplocusA Perisphinctidae ammonite.
Perisphinctes P. pottingeriA Perisphinctidae ammonite.
P. torquatus
P. katrolensis
P. sparsiplicatus
P. alterneplicatus
P. euplocus
Harpoceras H. kobelliA Hildoceratidae ammonite.

Insecta

Insects of the Katrol Formation
GenusSpeciesMaterialNotes
Cycloserpula sp.A Millipede.


See also

References

  1. "Katrol Formation, Kutch, India: Varying interactions between eustasy and basin subsidence". ResearchGate. Retrieved 30 October 2017.
  2. Supriya, Lakshmi. "Remarkably Complete 150 Million Year Old Marine Reptile Fossil Found in Gujarat - The Wire". thewire.in.
  3. 1 2 3 Dinosaur Fauna from Mesozoic Rocks of Western India- Z.G. Ghevariya and C. Srikarni
  4. BARDET, N; MAZIN, J.-M.; CARIOU, E.; ENAY, R.; KRISHNA, J. (1991). "Les Plesiosauria du Jurassique supérieur de la province de Kachchh (Inde)". Les Plesiosauria du Jurassique supérieur de la province de Kachchh (Inde). 313 (11): 1343–1347. ISSN   0764-4450.
  5. Prasad, Guntupalli V. R.; Pandey, Dhirendra K.; Alberti, Matthias; Fürsich, Franz T.; Thakkar, Mahesh G.; Chauhan, Gaurav D. (25 October 2017). "Discovery of the first ichthyosaur from the Jurassic of India: Implications for Gondwanan palaeobiogeography". PLOS ONE. 12 (10): e0185851. Bibcode:2017PLoSO..1285851P. doi: 10.1371/journal.pone.0185851 . PMC   5656312 . PMID   29069082.

Bibliography