Cucaracha Formation
| Cucaracha Formation | |
|---|---|
| Stratigraphic range: Early Burdigalian-Mid Langhian (Hemingfordian-Barstovian) | |
| Type | Formation |
| Underlies | Pedro Miguel & La Boca Formations |
| Overlies | Culebra Formation |
| Thickness | ~125 m (410 ft) |
| Lithology | |
| Primary | Sandstone, conglomerate |
| Other | Claystone |
| Location | |
| Coordinates | 9°00′N 79°36′W / 9.0°N 79.6°W |
| Approximate paleocoordinates | 8°24′N 77°30′W / 8.4°N 77.5°W |
| Region | Panamá Province |
| Country |  Panama |
| Extent | Panama Basin |
  Cucaracha Formation (Panama) | |
The Cucaracha Formation (Tca)[1] is a geologic formation in Panama. It preserves vertebrate and plant fossils dating back to the Neogene period; Early to Middle Miocene epochs (Hemingfordian).[2] Fossils of the crocodylian Centenariosuchus, the turtle Rhinoclemmys panamaensis and the artiodactyl Paratoceras have been found in the formation.[3]
The Cucaracha Formation is approximately 125 metres (410 ft) thick,[4] and dated to 19 to 14 Ma.[5]
Fossil content
- Centenariosuchus[6]
- Panascleroticoxylon[7]
- Paratoceras coatesi[8]
- Prioria canalensis, P. hodgesii[9]
- Rhinoclemmys panamaensis[10]
- Rourea blatta[11]
- Staurotypus moschus[10]
- Podocnemididae indet.[12]
See also
References
- ^ Geologic Map, 1980
- ^ Cucaracha Formation at Fossilworks.org
- ^ Centenariosuchus at Fossilworks.org
- ^ Kirby et al., 2008, p.9
- ^ Kirby et al., 2008, p.11
- ^ Hastings et al., 2013
- ^ Rodríguez Reyes et al., 2017a
- ^ Rincón et al., 2015
- ^ Rodríguez Reyes et al., 2017b
- ^ a b Cadena et al., 2012
- ^ Jud & Nelson, 2017
- ^ Cadena et al., 2012, p.549