| Serra da Galga Formation | |
|---|---|
| Stratigraphic range:Maastrichtian ~70–66 Ma | |
| Type | Geological formation |
| Unit of | Bauru Group |
| Overlies | Uberaba Formation Adamantina Formation |
| Lithology | |
| Primary | Sandstone |
| Other | Mudstone,siltstone,limestone,paleosol |
| Location | |
| Coordinates | 19°36′S48°00′W / 19.6°S 48.0°W /-19.6; -48.0 |
| Approximate paleocoordinates | 23°06′S33°54′W / 23.1°S 33.9°W /-23.1; -33.9 |
| Region |  Minas Gerais |
| Country |  Brazil |
| Extent | Bauru Sub-basin,Paraná Basin |
| Type section | |
| Named for | Serra da Galga |
  Serra da Galga Formation (Brazil) | |
TheSerra da Galga Formation is a geologicalformation inMinas Gerais state ofsoutheastern Brazil. Its strata date back to theMaastrichtian, and are part of theBauru Group.[1] It was originally considered a member of theMarília 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 | Basalnotosuchian[4] |  | ||
| Labidiosuchus | L. amicum | Serra do Veadinho, Area 2 | A notosuchian with bizarre dentition[5] | |||
| Peirosaurus | P. torminni | Area 2 | Apeirosaurid[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 | Atitanosaurian[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 withBaurutitan.[7] | |||
| Uberabatitan[9] | U. ribeiroi | A titanosaurian[4] | ||||
| Ypupiara[8] | Y. lopai | A dromeosaur[8] | ||||