Lameta Formation

Lameta Formation
Lameta Formation
Stratigraphic range: Maastrichtian; ~66 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Type	Geological formation
Underlies	Deccan Traps deposits
Overlies	Precambrian Basement
Area	5,000 km2 (1,900 sq mi)
Thickness	Variable, typically 18–45 m (59–148 ft)
Lithology
Primary	Claystone, sandstone limestone
Other	Conglomerate
Location
Coordinates	23°12′N 80°00′E / 23.2°N 80.0°E
Approximate paleocoordinates	24°42′S 63°12′E / 24.7°S 63.2°E
Region	Western India
Country	India
Extent	Madhya Pradesh, Gujarat, Maharashtra
	Lameta Formation (India)

The Lameta Formation, also known as the Intertrappean Beds is a sedimentary rock formation found in Madhya Pradesh, Gujarat, and Maharashtra, India. It is of Maastrichtian age (Upper Cretaceous), and is notable for its dinosaur fossils. Many dubious names have been created for isolated bones, but several genera of dinosaurs from these rocks are well-supported, including the titanosaur sauropod Isisaurus and the abelisaurs Indosaurus, Indosuchus, Laevisuchus, and Rajasaurus.^[1] As well as mammals

Dinosaurs

Genus	Species	Material	Images
Indosaurus	I. matleyi	Partial skeleton, including a partial skull.^[2]	Indosuchus Isisaurus Rahiolisaurus Rajasaurus
Brachypodosaurus	B. gravis	"Humerus."^[3]
Coeluroides	C. largus	"Isolated vertebrae."^[4]
Dryptosauroides	D. grandis	"Vertebrae."^[4]
Indosuchus	I. raptorius	Cranial remains, including two braincases, as well as a nearly complete skeleton.^[2]
Isisaurus	I. colberti
Jainosaurus	J. septentrionalis	"Basicranium and partial postcranial skeleton."^[5]
Jubbulpuria	J. tenuis	"Vertebrae."^[4]
Lametasaurus	L. indicus	"Sacrum, ilia, tibia."^[4] "Sacrum, ilia, tibia, spines, armor."^[6]
Laevisuchus	L. indicus	Only vertebrae.^[2]
Ornithomimoides	O. barasimlensis	"Vertebrae."^[4]
Ornithomimoides	O. mobilis	"Vertebrae."^[4]
Orthogoniosaurus	O. matleyi	"Tooth."^[4]
Rajasaurus	R. narmadensis
Rahiolisaurus	R. gujaratensis
Titanosaurus	T. blanfordi	"Caudal vertebrae."^[7]
Titanosaurus	T. rahioliensis	"Teeth."^[8]

Genus	Species	Location	Stratigraphic position	Material	Notes	Images
Sanajeh	S. indicus			A skull, precloaca vertebrae and ribs.	A madtsoiid snake.	Sanajeh about to attack a titanosaur hatchling
Indophis	I. sahnii	Naskal microvertebrate site		Vertebrae

Genus	Species	Location	Material	Notes
Bharattherium	B. bonapartei	Kisalpuri
Deccanolestes	D. hislopi	Naskal microvertebrate site	Molars, calcanea, astralgi, humerus, ulna
	D. robustus	Naskal microvertebrate site	"dental material and an astragalus"
	D. narmadensis	Kisalpuri
Kharmerungulatum	K. vanvaleni	Kisalpuri
Dakshina	D. jederi	Naskal microvertebrate site	Teeth	Sudamericid
Sahnitherium	S. rangapurensis	Rangapur microvertebrate site	Upper Molar

^ Weishampel, David B.; Barrett, Paul M.; Coria, Rodolfo A.; Le Loueff, Jean; Xu Xing; Zhao Xijin; Sahni, Ashok; Gomani, Elizabeth M.P.; Noto, Christopher N. (2004). "Dinosaur distribution". In Weishampel, David B.; Dodson, Peter; Osmólska Halszka (eds.). The Dinosauria (2nd ed.). Berkeley: University of California Press. pp. 517–606. ISBN 0-520-24209-2.
^ ^a ^b ^c "Table 3.1," in Weishampel, et al. (2004). Page 49.
^ "Table 17.1," in Weishampel, et al. (2004). Page 367.
^ ^a ^b ^c ^d ^e ^f ^g "Table 3.1," in Weishampel, et al. (2004). Page 50.
^ "Table 13.1," in Weishampel, et al. (2004). Page 269.
^ "Table 17.1," in Weishampel, et al. (2004). Page 368.
^ "Table 13.1," in Weishampel, et al. (2004). Page 270.
^ "Table 13.1," in Weishampel, et al. (2004). Page 271.

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