Serra da Galga Formation | |
---|---|
Stratigraphic range: Maastrichtian ~ | |
Type | Geological formation |
Unit of | Bauru Group |
Overlies | Uberaba Formation Adamantina Formation |
Lithology | |
Primary | Sandstone |
Other | Mudstone, siltstone, limestone, paleosol |
Location | |
Coordinates | 19°36′S 48°00′W / 19.6°S 48.0°W |
Approximate paleocoordinates | 23°06′S 33°54′W / 23.1°S 33.9°W |
Region | Minas Gerais |
Country | Brazil |
Extent | Bauru Sub-basin, Paraná Basin |
Type section | |
Named for | Serra da Galga |
The Serra da Galga Formation is a geological formation in Minas Gerais state of southeastern Brazil. Its strata date back to the Maastrichtian, and are part of the Bauru Group.[1] It was originally considered a member of the Marília Formation.[2]
Dinosaur remains are among the fossils that have been recovered from the formation.[3]
Crocodylomorphs of the Marilia Formation | ||||||
---|---|---|---|---|---|---|
Genus | Species | Location | Notes | Images | ||
Itasuchus | I. jesuinoi | Area 2 | Basal notosuchian[4] | |||
Labidiosuchus | L. amicum | Serra do Veadinho, Area 2 | A notosuchian with bizarre dentition[5] | |||
Peirosaurus | P. torminni | Area 2 | A peirosaurid[4] | |||
Uberabasuchus | U. terrificus | Serra do Veadinho, Area 2 | A peirosaurid[4] |
Three distinct titanosaurids denoted as forms A, B, and C have been found in Area 4.[4] Titanosaurine remains are known from Areas 1 and 2.[4] Indeterminate theropod remains known from Area 1.[4] Indeterminate maniraptor remains known from Area 1.[4] Indeterminate abelisaurid remains are known from Areas 1 and 2.[4] Indeterminate Carcharodontosaurid remains are known from Area 1.[4]
Dinosaurs of the Marilia Formation | ||||||
---|---|---|---|---|---|---|
Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
Aeolosaurus[4] | Indeterminate | A titanosaurian[4] | ||||
Baurutitan | B. britoi | Area 1 | A titanosaurian[4] | |||
Titanosauria | indet. | BR-050 Km 153-153.5, Ponto 1 | Isolate teeth.[6] | Three morphotypes; one is one of the largest known titanosaurs and two are possible juveniles.[6] | ||
Caieiria | C. allocaudata | Caieira | A titanosaurian[7] | |||
"Lopasaurus"[8] | None given | A dromaeosaur. The holotype went missing shortly after 1980 and it has not been recovered since[8] | ||||
Trigonosaurus | T. pricei | Area 1 | A titanosaurian[4] Possibly synonymous with Baurutitan.[7] | |||
Uberabatitan[9] | U. ribeiroi | A titanosaurian[4] | ||||
Ypupiara[8] | Y. lopai | A dromeosaur[8] |