Itaboraian
In-game article clicks load inline without leaving the challenge.

The Itaboraian (Portuguese: Itaboraiense) age is a period within the Early Eocene geologic time (53.0–50.0 Ma) epoch of the Paleogene, used more specifically with South American land mammal ages (SALMA). It follows the Riochican and precedes the Casamayoran age.
Etymology
This age is named after the Itaboraí Formation in the Itaboraí Basin in Itaboraí, a Greater Rio municipality in the state of Rio de Janeiro in Brazil not very far away from Niterói.
Formations

| Formation bold is type | Country | Basin | Notes |
|---|---|---|---|
| Itaboraí Formation | Brazil | Itaboraí Basin | |
| Bogotá Formation | Colombia | Altiplano Cundiboyacense | |
| Cerrejón Formation | Colombia | Cesar-Ranchería Basin | |
| Chota Formation | Peru | Bagua Basin | |
| Koluel Kaike Formation | Argentina | Golfo San Jorge Basin | |
| Las Flores Formation | Argentina | Golfo San Jorge Basin | |
| Maíz Gordo Formation | Argentina | Salta Basin | |
| Mogollón Formation | Peru | Talara & Tumbes Basins | |
| Muñani Formation | Peru | Altiplano Basin |
Fossils
Correlations
| Formation | Itaboraí | Las Flores | Koluel Kaike | Maíz Gordo | Muñani | Mogollón | Bogotá | Cerrejón | Ypresian (IUCS) • Wasatchian (NALMA) Bumbanian (ALMA) • Mangaorapan (NZ) |
|---|---|---|---|---|---|---|---|---|---|
| Basin | Itaboraí | Golfo San Jorge | Salta | Altiplano Basin | Talara & Tumbes | Altiplano Cundiboyacense | Cesar-Ranchería | Itaboraí FormationBogotá FormationCerrejón FormationKoluel Kaike FormationMaíz Gordo FormationMuñani FormationMogollón FormationLas Flores Formation, Austral BasinItaboraian (South America) | |
| Country | Brazil | Argentina | Peru | Colombia | |||||
| Carodnia | |||||||||
| Gashternia | |||||||||
| Henricosbornia | |||||||||
| Victorlemoinea | |||||||||
| Polydolopimorphia | |||||||||
| Birds | |||||||||
| Reptiles | |||||||||
| Fish | |||||||||
| Flora | |||||||||
| Environments | Alluvial-lacustrine | Alluvial-fluvial | Fluvio-lacustrine | Lacustrine | Fluvial | Fluvio-deltaic | Itaboraian volcanoclastics Itaboraian fauna Itaboraian flora | ||
| Volcanic | Yes |
Bibliography
Itaboraí Formation
- Carneiro, Leonardo M.; Oliveira, Édison V.; Goin, Francisco J. (2018), (PDF), Revista Brasileira de Paleontologia, 21 (2): 120–131, doi:
- Carneiro, Leonardo M. (2018), (PDF), Anais da Academia Brasileira de Ciências, 91 (Suppl. 2) e20180440, doi:, archived from (PDF) on 2019-02-12
- Oliveira, Édison Vicente; Zimicz, Natalia; Goin, Francisco J. (2016), , The Science of Nature, 103 (1–2): 1–6, Bibcode:, doi:, PMID
- De Oliveira, Édison Vicente; Goin, Francisco J. (2015), , Revista Brasileira de Paleontologia, 18 (1): 97–108, doi:, hdl:, archived from on 2019-02-14
- Oliveira, Édison V.; Goin, Francisco J. (2011), (PDF), Revista Brasileira de Paleontologia, 14 (2): 105–136, doi:
- Salvador, R.B.; Simone, L.R.L. (2013), (PDF), Papéis Avulsos de Zoologia, 53 (2): 5–46
Bogotá Formation
- Bloch, Jonathan Ivan; Cadena, Edwin; Hastings, Alexander; Rincón, Aldo F.; Jaramillo, Carlos (2008), , Journal of Vertebrate Paleontology, Society of Vertebrate Paleontology, 68th Annual Meeting: _
- Guerrero Uscátegui, Alberto Lobo (1992), Geología e Hidrogeología de Santafé de Bogotá y su Sabana, Sociedad Colombiana de Ingenieros, pp. 1–20
- Montoya Arenas, Diana María; Reyes Torres, Germán Alfonso (2005), Geología de la Sabana de Bogotá, INGEOMINAS, pp. 1–104
Cerrejón Formation
- Ayala Calvo, Rosa Carolina (2009), (PDF), Universidad Simón Bolívar, pp. 1–255, archived from (PDF) on 2021-12-06
- Cadena, Edwin A.; Schweitzer, Mary H. (2014), , Journal of Herpetology, 48 (4): 461–465, doi:
- Cadena, Edwin A.; Ksepka, Daniel T.; Jaramillo, Carlos A.; Bloch, Jonathan I. (2012a), (PDF), Journal of Systematic Palaeontology, 10 (2): 313–331, Bibcode:, doi:
- Cadena, Edwin A.; Bloch, Jonathan I.; Jaramillo, Carlos A. (2012b), , Journal of Paleontology, 86 (4): 688–698, Bibcode:, doi:
- Cadena, Edwin A.; Bloch, Jonathan I.; Jaramillo, Carlos A. (2010), , Journal of Vertebrate Paleontology, 30 (2): 367–382, Bibcode:, doi:
- Hastings, Alexander K.; Bloch, Jonathan I.; Jaramillo, Carlos A. (2014), (PDF), Historical Biology, 27 (8): 998–1020, Bibcode:, doi:
- Hastings, Alexander K.; Bloch, Jonathan I.; Jaramillo, Carlos A. (2011), (PDF), Palaeontology, 54: 1095–1116, doi:
- Head, J.J.; Bloch, J.I.; Hastings, A.K.; Bourque, J.R.; Cadena, E.A.; Herrera, F.A.; Polly, P.D.; Jaramillo, C.A. (2009), , Nature, 457 (7230): 715–718, Bibcode:, doi:, PMID
- Herrera, Fabiany A.; Jaramillo, Carlos A.; Dilcher, David L.; Wing, Scott L.; Gómez N, Carolina (2008), , American Journal of Botany, 95 (12): 1569–1583, doi:, PMID[permanent dead link]
- Hernández, Marina (2003), Geología de la Plancha 48 La Jagua de Ibírico - 1:100,000, INGEOMINAS, pp. 1–102
- Jaramillo, Carlos A.; Bayona, Germán; Pardo Trujillo, Andres; Rueda, Milton; Torres, Vladimir; Harrington, Guy J.; Mora, Germán (2007), (PDF), Palynology, 31 (1): 153–189, Bibcode:, doi:
- Ojeda Marulanda, Carolina; Sánchez Quiñónez, Carlos Alberto (2013), (PDF), Boletín de Geología, Universidad Industrial de Santander, 35: 67–80
- Wing, Scott L.; Herrera, Fabiany; Jaramillo, Carlos A.; Gómez Navarro, Carolina; Wilf, Peter; Labandeira, Conrad C. (2009), "Late Paleocene fossils from the Cerrejón Formation, Columbia ((sic)), are the earliest record of Neotropical rainforest", Proceedings of the National Academy of Sciences, 106 (44): 18627–18632, Bibcode:, doi:, PMC , PMID
Chota Formation
- Castro Medina, Walter Fidel (2010), (PDF), Instituto de Investigaciones de la Amazonía Peruana (IIAP), pp. 1–76
- Chacaltana, César; Benites Cañote, Alexandra Lucytania; Valdivia, Waldir; Chumpitaz, Marco (2014), , Congreso Peruano de Geología, pp. 1–4
Las Flores Formation
- Goin, F. J.; Candela, A.M.; Abello, M.A.; Oliveira, E.V. (2009), , Zoological Journal of the Linnean Society, 155 (4): 867–884, doi:
- Raigemborn, María Sol; Krause, Javier M.; Bellosi, Eduardo; Matheos, Sergio D. (2010), (PDF), Revista de la Asociación Geológica Argentina, 67: 239–256
- Ugalde, Raúl; Bostelmann, Enrique; Oyarzún, José Luis (2013), , GeoSur Conference IV Viña del Mar, pp. 355–358
Koluel Kaike Formation
- Raigemborn, María Sol; Krause, Javier M.; Bellosi, Eduardo; Matheos, Sergio D. (2010), (PDF), Revista de la Asociación Geológica Argentina, 67: 239–256
Maíz Gordo Formation
- Narváez, Paula Liliana (2009), (PDF), Universidad Nacional de Salta, pp. 1–229
Mogollón Formation
- Antoine, Pierre-Olivier; Billet, Guillaume; Salas Gismondi, Rodolfo; Tejada Lara, Julia; Baby, Patrice; Brusset, Stéphane; Espurt, Nicolas (2015), , Journal of Mammalian Evolution, 22 (2): 129–140, doi:
- Quispe Alcalá, David Ricardo (2010), (PDF), Universidad Nacional de Ingeniería, pp. 1–87, archived from (PDF) on 2021-12-06
Muñani Formation
- Gelfo, Javier N.; Sigé, Bernard (2011), (PDF), Acta Palaeontologica Polonica, 56 (4): 665–678, doi:
Peñas Coloradas Formation
- Clyde, William C.; Wilf, Peter; Iglesias, Ari; Slingerland, Rudy L.; Bijl, Peter K.; Bralower, Timothy J.; Brinkhuis, Henk; Comer, Emily; Huber, Mauricio Ibañez Mejia, Brian R. Jicha, J. Marcelo Krause, Jonathan D. Schueth, Bradley S. Singer, María Sol Raigemborn, Mark D. Schmitz, Appy Sluijs, and María del Carmen Zamaloa, Brian T. (2014), (PDF), GSA Bulletin, 126 (3–4): 289–306, Bibcode:, doi:, archived from (PDF) on 2018-08-10
{{citation}}: CS1 maint: multiple names: authors list (link) - Raigemborn, María Sol; Krause, Javier M.; Bellosi, Eduardo; Matheos, Sergio D. (2010), (PDF), Revista de la Asociación Geológica Argentina, 67: 239–256
Río Loro Formation
- Pol, Diego; Powell, Jaime E. (2011), "A new sebecid mesoeucrocodylian from the Rio Loro Formation (Palaeocene) of north-western Argentina", Zoological Journal of the Linnean Society, 163: S7–S36, doi:, hdl: