Peligran

The Peligran (Spanish: Peligrense) age is a period of geologic time (62.5–59.0 Ma) within the Paleocene epoch of the Paleogene, used more specifically with South American land mammal ages (SALMA). It follows the Tiupampan and precedes the Riochican age.[1]

Etymology

The age is named after the paleontological site Punta Peligro in Argentina.

Formations

Locations of Peligran formations

Formation bold is type	Country	Basin	Notes
Salamanca Formation	Argentina	Golfo San Jorge Basin	[2]
Bogotá Formation	Colombia	Altiplano Cundiboyacense	[3]
Cerrejón Formation	Colombia	Cesar-Ranchería Basin	[4]
Chota Formation	Peru	Bagua Basin	[5][6]
Guaduas Formation	Colombia	Altiplano Cundiboyacense	[7]
Peñas Coloradas Formation	Argentina	Golfo San Jorge Basin	[2]
Santa Lucía Formation	Bolivia	Potosí Basin	[8]

Fossils

Group	Fossils	Formation	Notes
Mammals	Amphidolops yapa, Carodnia feruglioi, Notoetayoa gargantuai, Wainka tshotshe, Borhyaenidae indet., Eutheria indet.	Peñas Coloradas	[9][10] [11]
Mammals	Derorhynchus aff. minutus, Escribania chubutensis, Escribania talonicuspis, Monotrematum sudamericanum, Peligrotherium tropicalis, Raulvaccia peligrensis, Requisia vidmari, Sudamerica ameghinoi, Didelphopsis sp., Polydolopimorphia sp., Bonapartheriidae, Metatheria indet., Placentalia indet., cf. Sparassodonta indet.	Salamanca	[12][13]
Reptiles & amphibians	aff. Allognathosuchus sp., Hydromedusa cf. casamayorensis, Kawasphenodon peligrensis, Naiadochelys cf. patagonica, Necrosuchus ionensis, Peligrochelys walshae, Yaminuechelys maior, Caimaninae indet., Leptodactylidae indet., ?Pipidae indet.	Salamanca	[12][14]
	Acherontisuchus guajiraensis, Anthracosuchus balrogus, Carbonemys cofrinii, Cerrejonemys wayuunaiki, Cerrejonisuchus improcerus, Pelomedusoides sp., Puentemys mushaisaensis, Titanoboa cerrejonensis	Cerrejón	[15][16]
	Crocodylia sp.	Peñas Coloradas	[10]
Fishes	Dipnoi sp., Elopomorpha sp.	Cerrejón	[15]
Flora	Menispina evidens	Bogotá	[17]

References

Paleo Database: Peligran
Clyde et al., 2014, p.303
Bayona et al., 2012, p.103
Jaramillo et al., 2007, p.168
Chacaltana et al., 2015, p.2
Castro Medina, 2010, p.53
Montoya & Reyes, 2005, p.54
Sempere et al., 1997, p.709
Bajo de la Palangana at Fossilworks.org
Cerro Redondo at Fossilworks.org
Puerto Visser 2 at Fossilworks.org
Punta Peligro at Fossilworks.org
Bonaparte & Morales, 1997, p.266
Necrosuchus at Fossilworks.org
La Puente Pit at Fossilworks.org
Anthracosuchus at Fossilworks.org
Menispina evidens at Fossilworks.org

Bibliography

Peñas Coloradas Formation

Clyde, William C.; Peter Wilf; Ari Iglesias; Rudy L. Slingerland; Peter K. Bijl; Timothy J. Bralower; Henk Brinkhuis; Emily Comer, and Brian T. 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. 2014. New age constraints for the Salamanca Formation and lower Río Chico Group in the western San Jorge Basin, Patagonia, Argentina: Implications for Cretaceous-Paleogene extinction recovery and land mammal age correlations. GSA Bulletin 126. 289–306. Accessed 2017-08-15.
Raigemborn, María Sol; Javier M. Krause; Eduardo Bellosi, and Sergio D. Matheos. 2010. Redefinición estratigráfica del Grupo Río Chico (Paleógeno inferior), en el norte de la Cuenca del Golfo San Jorge, Chubut. Revista de la Asociación Geológica Argentina 67. 239–256. Accessed 2017-08-15.

Bogotá Formation

Bloch, Jonathan Ivan; Edwin Cadena; Alexander Hastings; Aldo F. Rincón, and Carlos Jaramillo. 2008. Vertebrate faunas from the Paleocene Bogotá Formation of northern Colombia (Abstract). Journal of Vertebrate Paleontology Society of Vertebrate Paleontology, 68th Annual Meeting. _. Accessed 2017-03-29.
Guerrero Uscátegui, Alberto Lobo. 1992. Geología e Hidrogeología de Santafé de Bogotá y su Sabana, 1–20. Sociedad Colombiana de Ingenieros.
Montoya Arenas, Diana María, and Germán Alfonso Reyes Torres. 2005. Geología de la Sabana de Bogotá, 1–104. INGEOMINAS.

Cerrejón Formation

Ayala Calvo, Rosa Carolina. 2009. Análisis tectonoestratigráfico y de procedencia en la Subcuenca de Cesar: Relación con los sistemas petroleros (MSc.), 1–255. Universidad Simón Bolívar. Accessed 2017-06-14.
Cadena, Edwin A., and Mary H. Schweitzer. 2014. A Pelomedusoid Turtle from the Paleocene–Eocene of Colombia Exhibiting Preservation of Blood Vessels and Osteocytes. Journal of Herpetology 48. 461–465. Accessed 2019-02-12.
Cadena, Edwin A.; Daniel T. Ksepka; Carlos A. Jaramillo, and Jonathan I. Bloch. 2012a. New pelomedusoid turtles from the late Palaeocene Cerrejón Formation of Colombia and their implications for phylogeny and body size evolution. Journal of Systematic Palaeontology 10. 313–331. Accessed 2017-06-14.
Cadena, Edwin A.; Jonathan I. Bloch, and Carlos A. Jaramillo. 2012b. New bothremydid turtle (Testudines, Pleurodira) from the Paleocene of northeastern Colombia. Journal of Paleontology 86. 688–698. Accessed 2017-06-14.
Cadena, Edwin A.; Jonathan I. Bloch, and Carlos A. Jaramillo. 2010. New Podocnemidid Turtle (Testudines: Pleurodira) from the Middle-Upper Paleocene of South America. Journal of Vertebrate Paleontology 30. 367–382. Accessed 2017-06-14.
Hastings, Alexander K.; Jonathan I. Bloch, and Carlos A. Jaramillo. 2014. A new blunt-snouted dyrosaurid, Anthracosuchus balrogus gen. et sp. nov. (Crocodylomorpha, Mesoeucrocodylia), from the Palaeocene of Colombia. Historical Biology 27. 998–1020. Accessed 2017-06-14.
Hastings, Alexander K.; Jonathan I. Bloch, and Carlos A. Jaramillo. 2011. A new longirostrine Dyrosaurid (Crocodylomorpha, Mesoeucrocodylia) from the Paleocene of north-eastern Colombia: Biogeographocal and behavioural implications for New-World Dyrosayridae. Palaeontology 54. 1095–1116. Accessed 2017-06-14.
Head, J.J.; J.I. Bloch; A.K. Hastings; J.R. Bourque; E.A. Cadena; F.A. Herrera; P.D. Polly, and C.A. Jaramillo. 2009. Giant boid snake from the paleocene neotropics reveals hotter past equatorial temperatures. Nature 457. 715–718. Accessed 2017-06-14.
Herrera, Fabiany A.; Carlos A. Jaramillo; David L. Dilcher; Scott L. Wing, and Carolina Gómez N. 2008. Fossil Araceae from a Paleocene neotropical rainforest in Colombia. American Journal of Botany 95. 1569–1583. Accessed 2017-06-14.
Hernández, Marina. 2003. Geología de la Plancha 48 La Jagua de Ibírico - 1:100,000, 1–102. INGEOMINAS.
Jaramillo, Carlos A.; Germán Bayona; Andres Pardo Trujillo; Milton Rueda; Vladimir Torres; Guy J. Harrington, and Germán Mora. 2007. The palynology of the Cerrejón Formation (Upper Paleocene) of northern Colombia. Palynology 31. 153–189. Accessed 2017-08-15.
Ojeda Marulanda, Carolina, and Carlos Alberto Sánchez Quiñónez. 2013. Petrografía, petrología y análisis de procedencia de unidades paleógenas en las cuencas Cesar - Ranchería y Catatumbo. Boletín de Geología, Universidad Industrial de Santander 35. 67–80. Accessed 2017-06-14.
Wing, Scott L.; Fabiany Herrera; Carlos A. Jaramillo; Carolina Gómez Navarro; Peter Wilf, and Conrad C. Labandeira. 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. 18627–18632. Accessed 2017-06-14.

Chota Formation

Castro Medina, Walter Fidel. 2010. Geología, informe temático. Proyecto Zonificación Ecológica y Económica del departamento de Amazonas, 1–76. Instituto de Investigaciones de la Amazonía Peruana (IIAP). Accessed 2018-09-04.
Chacaltana, César; Alexandra Lucytania Benites Cañote; Waldir Valdivia, and Marco Chumpitaz. 2014. La formación Chota en la Cuenca Bagua: Evaluación e implicancias del criterio de clasificación litoestratigráfico, 1–4. Congreso Peruano de Geología. Accessed 2017-08-15.

Guaduas Formation

Amaya, Erika; Jorge Mariño, and Carlos Jaramillo. 2010. Litofacies y ambientes de acumulación de la Formación Guaduas en al parte central de la Cordillera Oriental - implicaciones paleogeográficas. Boletín de Geología, Universidad Industrial de Santander 32(1). _. Accessed 2017-03-16.

Salamanca Formation

Apesteguia, Sebastián; Raúl O. Gómez, and Guillermo W. Rougier. 2014. The youngest South American rhynchocephalian, a survivor of the K/Pg extinction. Proceedings of the Royal Society B: Biological Sciences 281. 20140811. .
Bonaparte, J.F., and J. Morales. 1997. Un primitico Notonychopidae (Litopterna) del paleoceno inferior de Punta Peligro, Chubut, Argentina. Estudios Geológicos 53. 263–274. Accessed 2018-10-01.
Clyde, William C.; Peter Wilf; Ari Iglesias; Rudy L. Slingerland; Timothy Barnum; Peter K. Bijl; Timothy J. Bralower; Henk Brinkhuis, and Emily E. Comer, Brian T. Huber, Mauricio Ibañez Mejia, Brian R. Jicha, J. Marcelo Krause, Jonathan D. Schueth, Bradley S. Singer, María Sol Raigemborn, Mark D. Schmitz, Appy Sluijs, María del Carmen Zamaloa. 2014. New age constraints for the Salamanca Formation and lower Río Chico Group in the western San Jorge Basin, Patagonia, Argentina: Implications for Cretaceous-Paleogene extinction recovery and land mammal age correlations. GSA Bulletin 126. 289–306. Accessed 2017-08-15.
Jud, Nathan A.; Maria A. Gandolfo; Ari Iglesias, and Peter Wilf. 2017. Flowering after disaster: Early Danian buckthorn (Rhamnaceae) flowers and leaves from Patagonia. PLOS ONE 12. e0176164. .
Ruiz, Daniela P.; Mariana Brea; M. Sol Raigemborn, and Sergio D. Matheos. 2017. Conifer woods from the Salamanca Formation (early Paleocene), Central Patagonia, Argentina: Paleoenvironmental implications. Journal of South American Earth Sciences 76. 427–445. .

Santa Lucía Formation

Buffetaut, É., and L.G. Marshall. 1991. A new crocodilian, Sebecus querejazus, nov. sp. (Mesosuchia, Sebecidae) from the Santa Lucía Formation (Early Paleocene) at Vila Vila, Southern Bolivia, 545–557. Revista Técnica de YPFB.
Gaffney, Eugene S.; Peter A. Meylan; Roger C. Wood; Elwyn Simons, and Diogenes De Almeida Campos. 2011. Evolution of the side-necked turtles: the family Podocnemididae. AMNH Bulletin 350. 1–237. Accessed 2017-08-15.
Gayet, Mireille; Larry G. Marshall, and Thierry Sempere. 1991. The Mesozoic and Paleocene vertebrates of Bolivia and their stratigraphic context: a review. Revista técnica de YPFB 12. 393–433. Accessed 2017-08-15.
Jiménez, Grisel. 2012. Estratigrafía, facies y ambientes evolutivos de depósito del Paleógeno Inferior: Formación Santa Lucía (Sinclinal de Miraflores - Sección Cayara, Potosí), 1–23. .. Accessed 2017-08-15.
De Muizon, Christian; Sandrine Ladevèze; Charlène Selva; Robin Vignaud, and Florent Goussard. 2018. Allqokirus australis (Sparassodonta, Metatheria) from the early Palaeocene of Tiupampa (Bolivia) and the rise of the metatherian carnivorous radiation in South America. Geodiversitas 40(16). 363–459. Accessed 2019-02-11.
Rage, J.C.. 1991. Gymnophionan Amphibia from the early Paleocene (Santa Lucía Formation) of Tiupampa (Bolivia). The oldest known Gymnophiona. Revista técnica de YPFB 12. 499–501. Accessed 2017-08-15.
Rage, J.C.. 1991. Squamate Reptiles from the early Paleocene of Tiupampa area (Santa Lucía Formation), Bolivia. Revista técnica de YPFB 12. 503–508. Accessed 2017-08-15.
Renner, Sven, and Carlos Velasco. 2000. Geología e hidrogeología del Valle Central de Cochabamba. Boletín del Servicio Nacional de Geología y Minería 34. 1–113. Accessed 2017-08-15.
Sempere, Thierry; R.F. Butler; D.R. Richards; L.G. Marshall; W. Sharp, and C.C. Swisher. 1997. Stratigraphy and chronology of Upper Cretaceous-lower Paleogene strata in Bolivia and northwest Argentina. GSA Bulletin 109. 709–727. Accessed 2017-08-15.

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[FWPeligran-1] Paleo Database: Peligran

[Clyde_p303-2] Clyde et al., 2014, p.303

[Bayona_p103-3] Bayona et al., 2012, p.103

[Jaramillo2007_p168-4] Jaramillo et al., 2007, p.168

[Chacaltana_p2-5] Chacaltana et al., 2015, p.2

[CastroMedina2010_p53-6] Castro Medina, 2010, p.53

[Montoya_p54-7] Montoya & Reyes, 2005, p.54

[Sempere1997_p709-8] Sempere et al., 1997, p.709

[FWBajoDeLaPalangana2-9] Bajo de la Palangana at Fossilworks.org

[FWCerroRedondo2-10] Cerro Redondo at Fossilworks.org

[FWPuertoVisser2-11] Puerto Visser 2 at Fossilworks.org

[FWPuntaPeligro-12] Punta Peligro at Fossilworks.org

[BonaparteMorales1997_p266-13] Bonaparte & Morales, 1997, p.266

[FWNecrosuchus-14] Necrosuchus at Fossilworks.org

[FWLaPuentePit-15] La Puente Pit at Fossilworks.org

[FWAnthracosuchus-16] Anthracosuchus at Fossilworks.org

[FWMenispinaEvidens-17] Menispina evidens at Fossilworks.org