Serra da Galga Formation | |
Type: | Geological formation |
Period: | Maastrichtian |
Age: | Maastrichtian ~ |
Prilithology: | Sandstone |
Otherlithology: | Mudstone, siltstone, limestone, paleosol |
Namedfor: | Serra da Galga |
Coordinates: | -19.6°N -48°W |
Paleocoordinates: | -23.1°N -33.9°W |
Unitof: | Bauru Group |
Overlies: | Uberaba Formation Adamantina Formation |
Extent: | Bauru Sub-basin, Paraná Basin |
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 | |||
Uberabasuchus | U. terrificus | Serra do Veadinho, Area 2 | A peirosaurid | |||
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 | Indeterminate | A titanosaurian | ||||
Baurutitan | B. britoi | Area 1 | A titanosaurian | |||
Titanosauria | indet. | BR-050 Km 153-153.5, Ponto 1 | Isolate teeth. | Three morphotypes; one is one of the largest known titanosaurs and two are possible juveniles. | ||
Caieiria | C. allocaudata | Caieira | A titanosaurian | |||
"Lopasaurus" | None given | A dromaeosaur. The holotype went missing shortly after 1980 and it has not been recovered since | ||||
Trigonosaurus | T. pricei | Area 1 | A titanosaurian Possibly synonymous with Baurutitan.[6] | |||
Uberabatitan[7] | U. ribeiroi | A titanosaurian | ||||
Ypupiara[8] | Y. lopai | A dromeosaur | ||||